Issue: 19440601

Thursday, June 1, 1944
JUNE 1944
6
True
144
Wednesday, December 31, 2014

Articles
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POPULAR SCIENCE MONTHLY
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GENERAL MOTORS
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GENERAL MOTORS
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1
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The B. F. Goodrich Company
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The B. F. Goodrich Company
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2
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GARDEN CITY PUBLISHING CO., INC.
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GARDEN CITY PUBLISHING CO., INC.
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PopularScience_19440601_0144_006_0004.xml
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3
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INTERNATIONAL CORRESPONDENCE SCHOOLS
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INTERNATIONAL CORRESPONDENCE SCHOOLS
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PopularScience_19440601_0144_006_0005.xml
tableOfContents
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CONTENTS for JUNE, 1944
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PopularScience_19440601_0144_006_0006.xml
masthead
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POPULAR SCIENCE MONTHLY
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PopularScience_19440601_0144_006_0007.xml
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6
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Advertisement
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PopularScience_19440601_0144_006_0008.xml
article
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6
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Coming Next Month
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THE SAME SILVER that Europeans used to laugh at us for digging out and then burying in our Government vaults as bullion is now doing any number of amazingly efficient jobs on both the home and battle fronts. Without it, our war production—and, incidentally, our Lend-Lease matériel—would be 50 percent less.
PopularScience_19440601_0144_006_0009.xml
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5
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FORD MOTOR COMPANY
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FORD MOTOR COMPANY
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PopularScience_19440601_0144_006_0010.xml
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7
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Advertisement: Champion Spark Plugs
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Champion Spark Plugs
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PopularScience_19440601_0144_006_0011.xml
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8
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BELL TELEPHONE SYSTEM
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BELL TELEPHONE SYSTEM
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PopularScience_19440601_0144_006_0012.xml
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9
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INTERNATIONAL CORRESPONDENCE SCHOOLS
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INTERNATIONAL CORRESPONDENCE SCHOOLS
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PopularScience_19440601_0144_006_0013.xml
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10
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Knickerbocker Pub. Co.
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Knickerbocker Pub. Co.
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PopularScience_19440601_0144_006_0014.xml
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11
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NATIONAL RADIO INSTITUTE
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NATIONAL RADIO INSTITUTE
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PopularScience_19440601_0144_006_0015.xml
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12
12
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PIONEER PUBLICATIONS, INC.
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PIONEER PUBLICATIONS, INC.
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PopularScience_19440601_0144_006_0016.xml
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13
13
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CHARLES ATLAS: BUNK
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CHARLES ATLAS
BUNK
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PopularScience_19440601_0144_006_0017.xml
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14
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The ROSICRUCIANS
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The ROSICRUCIANS
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PopularScience_19440601_0144_006_0018.xml
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15
15
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CLARENCE A.O'BRIEN & HARVEY B. JACOBSON
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CLARENCE A.O'BRIEN & HARVEY B. JACOBSON
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PopularScience_19440601_0144_006_0019.xml
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16
16
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AUDELS ELECTRIC LIBRARY
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AUDELS ELECTRIC LIBRARY
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PopularScience_19440601_0144_006_0020.xml
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17
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THEO. AUDEL & CO.
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THEO. AUDEL & CO.
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PopularScience_19440601_0144_006_0021.xml
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18
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Plastics Industries Technical Institute
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Plastics Industries Technical Institute
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PopularScience_19440601_0144_006_0022.xml
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19
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LASALLE EXTENSION UNIVERSITY
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LASALLE EXTENSION UNIVERSITY
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PopularScience_19440601_0144_006_0023.xml
article
20
20,22,24
Readers Say:
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Readers Say:
Importance of Microscopy Cannot Be Magnified
P.S.M. Helps Dad Understand Soldier Son's Work
Can Anybody Suggest a Harmless but Effective Weep-on?
Any Wild Duck's a Goose to Stay in New York
Here's a Long Look Ahead to Next Winter
Continuing to Swing Those Vacuum-Cleaner Blues
Add Similes: As Wrong as a 1937 Atlas
We're Glad to Give Credit Where Credit Is Due
Air-minded Young Man Is Set Straight on Inverted Flying
Magazine Wows; Editor Bows
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I WAS overjoyed to see in the March issue an article on microscopy by Morton Walling. Now please, please keep them up. There are a lot of us amateur microscopists just waiting for the day when the articles on chemistry and microscopy will become regular features as in the older issues.
PopularScience_19440601_0144_006_0024.xml
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21
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FAIRCHILD ENGINE AND AIRPLANE CORPORATION
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FAIRCHILD ENGINE AND AIRPLANE CORPORATION
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PopularScience_19440601_0144_006_0025.xml
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22
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HAMILTON CARHARTT OVERALL CO.
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HAMILTON CARHARTT OVERALL CO.
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PopularScience_19440601_0144_006_0026.xml
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Advertisement
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PopularScience_19440601_0144_006_0027.xml
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INDUSTRIAL GLOVES CO.
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INDUSTRIAL GLOVES CO.
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PopularScience_19440601_0144_006_0028.xml
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23
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THE ELECTRIC AUTO-LITE COMPANY
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THE ELECTRIC AUTO-LITE COMPANY
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PopularScience_19440601_0144_006_0029.xml
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24
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Advertisement
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PopularScience_19440601_0144_006_0030.xml
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INTERNATIONAL CORRESPONDENCE SCHOOLS
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INTERNATIONAL CORRESPONDENCE SCHOOLS
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PopularScience_19440601_0144_006_0031.xml
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PopularScience_19440601_0144_006_0032.xml
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DEFOREST'S TRAINING, INC.
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DEFOREST'S TRAINING, INC.
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PopularScience_19440601_0144_006_0033.xml
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PopularScience_19440601_0144_006_0034.xml
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MoToR Book
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MoToR Book
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PopularScience_19440601_0144_006_0035.xml
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PopularScience_19440601_0144_006_0036.xml
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National Schools
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National Schools
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PopularScience_19440601_0144_006_0037.xml
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RYAN Aeronautical Institute
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RYAN Aeronautical Institute
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PopularScience_19440601_0144_006_0039.xml
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PopularScience_19440601_0144_006_0040.xml
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LINGUAPHONE INSTITUTE
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LINGUAPHONE INSTITUTE
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PopularScience_19440601_0144_006_0041.xml
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PopularScience_19440601_0144_006_0046.xml
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PopularScience_19440601_0144_006_0047.xml
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42
42,43,44,45,46,47,48,49,50,51,52,53,54,55,56
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Classified Opportunities
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PopularScience_19440601_0144_006_0048.xml
article
56A
56A,56B,56C,231
News
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Another Enemy Surrenders
Disease-bearing insects, worst foe of jungle fighters, are on the run before new weapons that will mean better health and more comfort for everyone in peacetime.
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ALFRED H. SINKS
HERE is news that should relieve the boiling discomfort of summer days. At last science has found the weapons for total victory on the insect front. Conquest of the biting insects that plague man means hope to millions who die every year of mosquito-borne diseases, millions more racked by mosquito-borne dengue fever.
PopularScience_19440601_0144_006_0049.xml
article
56D
56D,56E,56F,56G,56H
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Secrets of Germany's Flying Freighter
TOW PLANE AND ROCKETS LAUNCH ME-323 POWERED GLIDER
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HOW the German ME-323 air transport carries its fabulous loads of men and equipment is shown in these drawings by G. H. Davis from The Illustrated London News. Rated as a powered glider, the six-engined craft requires an assisted take-off; a tow plane and eight wing-mounted rockets help lift it off the ground.
PopularScience_19440601_0144_006_0050.xml
article
57
57,58,59,60,61,206,210,214
News
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no Helicopter for you Tomorrow
Don't let anybody tell you that you'll have a whirligig flying flivver the day the war is over. It still has a long way to come.
PROS AND CONS. . . THE BALANCE SHEET OF THE HELICOPTER
COMPARISON OF THE AIRPLANE WITH THE HELICOPTER
AIRPLANE
HELICOPTER
IN PERFORMING THE BASIC MANEUVERS OF FLIGHT
HELICOPTER'S HISTORY IS A SERIES OF ATTEMPTS
TO OVERCOME PROBLEMS OF ROTATING-WING FLIGHT
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DEVON FRANCIS
AT a plot of ground surrounded by a high board fence in Bridgeport, Conn., a test pilot for whirligig flying machines regularly plays a practical joke on Army pilots who come in for indoctrination flights. The plot of ground abuts the only factory in the United States now devoted to the volume production of helicopters.
PopularScience_19440601_0144_006_0051.xml
article
62
62,63
News
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The Tank Tread Was His Baby
But he invented it away back in the '70's before the internal-combustion engine and tractor had been developed. First applications were to a streetcar and his son's bicycle.
HE TRIED IT ON A BICYCLE
ON MODERN BATTLEFIELDS
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SEVENTY-ONE years ago this summer, a Kansas farmer patented a wheel that carried its own track. This was an idea comparable to the invention of the chariot. Placing soldiers on wheels made blitz attacks possible; providing them with caterpillar treads has empowered them to go anywhere, with heavy guns and armor.
PopularScience_19440601_0144_006_0052.xml
article
64
64,65
News
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Locust Killers Fight Famine
ARMY WITHOUT GUNS WAGES WAR OF EXTERMINATION TO RESCUE CROPS FROM ANCIENT BIBLICAL PLAGUE
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BRITISH troops, 1,000 strong, are spreading arsenic in Arabia this year to combat one of mankind's oldest and fiercest foes. This expedition, traveling in 330 motor vehicles, carries no guns, for it is operating in a neutral land by agreement with King Ibn Saud of Saudi Arabia. Its purpose is to prevent a plague.
PopularScience_19440601_0144_006_0053.xml
article
66
66,67,68,69,218,222
News
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Ingenuity Is Their Middle Name
Natural-born inventors, the Yanks improvise the comforts of home and the necessities of war.
THIS DESERT ARC WELDER IS A HYBRID
URGE FOR CLEANLINESS AND COMFORT
...BUT WAR NEEDS GET PRIORITY
INSPIRES MOST IDEAS
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JOHN (TEX) O'REILLY
THAT mixture of ingenuity and mechanical ability which is so deeply ingrained in American boys is now being manifested on fighting fronts in a great many parts of the world. Wherever American soldiers show up, they astound, amuse, and confuse the native population with an assortment of makeshift gadgets, some of which would make a Rube Goldberg creation seem downright simple.
PopularScience_19440601_0144_006_0054.xml
article
70
70,71,72,200
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ON THEIR WAY— A Better Life Promised by War Invention
With Peace Will Come These Aids to Safer and More Comfortable Living
HOME COMFORTS
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HAL BORLAND
LONG before the postwar political problems are settled, long before the dream cars are on the road, or the helicopters are in the back yards, you and I and everybody else will be living healthier, safer, more pleasant lives. And all because war has so greatly magnified the hazards of disease and discomfort.
PopularScience_19440601_0144_006_0055.xml
review
73
73,74
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new tools
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PRECISION of standard gauge blocks is increased tenfold by the Do All Vernier Gage manufactured by Continental Machines, Minneapolis. Two blocks having a taper on their mating faces are wrung together. When one of these is moved, the change in the height of the gauge is indicated in ten-millionths of an inch by a vernier scale on the sides of the blocks.
PopularScience_19440601_0144_006_0056.xml
article
75
75,76,77,78,79,197
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You'll Like the Road Ahead
Say goodby to traffic jams, red lights, and highway hazards.
After the war you'll skim cross-country on supersafe speedways.
WHY ACCIDENTS HAPPEN
HOW HIGHWAYS HAVE BEEN DESIGNED TO AVOID THE WORST DANGER OF THE ROAD—A HEAD-ON COLLISIOI TOMORROW'S VEHICLES WILL MATCH ITS HIGHWAYS
HOW ROAD DESIGN DEVELOPS ACCIDENT-FREE ROAD
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JEAN ACKERMANN
SUPERHIGHWAYS are in sight. Ten years after the war ends you'll be free to drive to 59 of 62 top-ranking U. S. cities on a ribbon-straight expressway, hitting an average of 65, and not stopping once unless you want to. Wherever you head, you'll be taking the quickest, though possibly not the shortest route, for you'll meet no stop lights, no hairpin curves, no crossroads, and no urban traffic.
PopularScience_19440601_0144_006_0057.xml
article
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80
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INVENTOR NOW PROMISES 75 KNOTS FOR CONCRETE LINERS.
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CONCRETE freighters and luxury liners shaped like fat cigars and capable of speeds of 75 knots are promised for the near future by Hal B. Hayes, inventor and concrete constructor, of Berkeley, Calif. In a recent test to support his seemingly extravagant claims, Hayes built a 125-foot model (P.S.M., Nov. '43, p. 70.), installed two rebuilt Ford V-8 motors, and sent the boat skimming across San Francisco Bay at a speed of 20 knots.
PopularScience_19440601_0144_006_0058.xml
article
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81
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CAN YOU BEAT THESE PICTURES?
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Have you a curious photograph showing some odd scene or happening? Send it to POPULAR SCIENCE! We will pay $5 for any photo used in this department.
PopularScience_19440601_0144_006_0059.xml
article
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82
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REHEARSAL FOR DESTRUCTION
Torpedoes make test runs at a Navy range to show what they can do to enemy ships.
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SLEEK, shiny torpedoes now race through the waters off Montauk, Long Island, peacetime haunt of deep-sea anglers. Here, at a naval testing range, long, slim "fish" that are launched from ships, and stubby ones that are dropped from planes, are repeatedly test-fired.
PopularScience_19440601_0144_006_0060.xml
article
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83
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General Mud Meets His Match . . . Chemical Rainproofs Soil
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A RESIN compound that banishes mud has just been announced by the Hercules Powder Company, of Wilmington, Del. Used to waterproof soil to a depth of about six inches, the tan-colored powder, known as Stabinol, repels rain and prevents upward seepage of subterranean moisture.
PopularScience_19440601_0144_006_0061.xml
article
84
84,85
News
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So You Think the Germans Are Giving Up!
We're beating the Nazis, but their airmen still think they are going to win. Overconfidence on our part can help them.
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COL. JOHN R. (KILLER) KANE
GERMAN airmen still think they are going to win this war. And we'll do them a big favor if we permit ourselves to get overconfident. The “easy victory” boys who think war is all but over never had their formations shot full of holes, their men knocked out of the sky, or their missions ruined the highly skilled attacks of a cunning and powerful enemy.
PopularScience_19440601_0144_006_0062.xml
article
86
86,87
News
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Seining for Tin Fish
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NETS of steel stretched across the mouths of harbors and around anchorages fulfill the purpose of straining out enemy submarines and torpedoes that might otherwise slip by the defenses. Spreading and maintaining these nets is an arduous task performed by the Navy's two-horned "YN" net tenders.
PopularScience_19440601_0144_006_0063.xml
article
88
88
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Postwar Super-Duper Bus May Carry 600
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PIPE-DREAM exaggerations of what Americans may expect in the postwar world have impelled the engineers of the American Car and Foundry Company, Philadelphia, to take a busman's holiday and design the "600-passenger bus of tomorrow (or some day next week)." They modestly give credit to the source of their inspiration, but claim priority on such intricate and technical features as the process of waterproofing the passenger compartment against leakage from the swimming pool; how to use the draft created by the helicopter rotors for ventilating; how to operate the bus with one man (or at most, two); plan for mosquito-proofing and fertilizing the roof garden; and the net for catching high divers who overshoot the mark.
PopularScience_19440601_0144_006_0064.xml
article
88
88,89
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CONSOLIDATED CORONADO
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(PB2Y) GIANT NAVY PATROL BOMBER NEXT MONTH:
PopularScience_19440601_0144_006_0065.xml
article
90
90,91
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How Gaines Are Used to Banish Fear of Water
While competing in exciting sports —part of the American Red Cross water-safety course—new swimmers gain self-forgetful courage.
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INEXPERIENCED swimmers can free themselves from fear of the water, get used to diving, and learn a variety of strokes by playing simple games. Because the American Red Cross has discovered these facts, it has made fun an important part of the curriculum even in water safety classes for instructors.
PopularScience_19440601_0144_006_0066.xml
article
92
92,93,94,95,96,97,98,99,199,200
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Another Triumph for Yankee "Know-How" . . . A Fortress Lives to Fight Again
WHEN SIR BABOON McGOON MADE A BELLY LANDING IN AN ENGLISH FIELD, IT MEANT A HURRY CALL FOR ONE OF OUR CRACK ETOUSA MOBILE REPAIR OUTFITS
LIFTING WITH BALLOON JACKS
NOW FOR THE REPAIR JOB
REPAIR CREWS CEMENT ANGLO-AMERICAN FRIENDSHIP
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HICKMAN POWELL
THE Sir Baboon McGoon was a B-17G, one of the first of the new chin-turret Forts to reach the European theater of operations. Coming back from one of its first bombing raids over Germany, it ran out of gas and landed flat on its belly In a muddy English grain field. In a short time It was back in the air, again toting bombs over the Continent—and this is the story of how that came about.
PopularScience_19440601_0144_006_0067.xml
article
100
100,101,102
News
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FLYING FORTRESS SO TOUGH?
give and fake more punishment than any other ship in the sky
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WHEN a Fortress flies home from a raid so riddled that daylight shines through at every angle, It isn't a magic charm that holds it together. It's a heritage It has received from a distinguished line of ancestors reaching all the way back to the Boeing Monomail of 1930.
PopularScience_19440601_0144_006_0068.xml
article
103
103,104,105,106
News
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ARE Big cities "ugly monsters"?
Slum clearance is powerless to stop decay at the core of a city, says a famous architect. Since the trouble is obsolete city design, the answer may be to rebuild from the ground up.
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FRANK ROWSOME
MOST large cities are rotten to the core, according to Dr. Martin Wagner, a distinguished German architect who was, before Hitler, a city planner for Berlin, Hamburg, and Wilhelmshaven. Now a professor at Harvard, he describes modern cities as "mammoth monsters of ugliness, inefficiency, and distortion."
PopularScience_19440601_0144_006_0069.xml
article
107
107
SCIENCE FINALLY DISCOVERS
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How The Cobra Spits
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SOME cobras spit their deadly venom, while others transmit it only by biting. Studies by Charles Mitchill Bogert, curator of reptiles at the American Museum of Natural History, have just revealed (upper drawing) that the fang formation governs the cobra's aptitude as a spitter or a nonspitter.
PopularScience_19440601_0144_006_0070.xml
article
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108,109
News
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Lightning's one-Engine Victory
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and with one engine dead, "Les" Laird of Louisiana proved that Lockheed's P-38 twin-tailed terror is no soft touch for Axis cripple-killers.
PopularScience_19440601_0144_006_0071.xml
article
110
110,111
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new ideas from the inventors
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IT WILL BE A PLEASURE to give a child medicine with this spoon that releases its contents only when the person administering the dose draws back a slide on top of the bowl. The liquid is then easily poured into the patient’s mouth. The inventor is Joseph P. Takach, of West New Brighton, N. Y.
PopularScience_19440601_0144_006_0072.xml
article
112
112
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THESE ARE Eric SLOANE'S IDEAS FOR PRIVATE PLANES OF THE FUTURE What Are your Ideas?
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PopularScience_19440601_0144_006_0073.xml
article
113
113,115,116,228
$5,000 CONTEST
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The Plane you'd Like to Our
AWARDS TOTAL $5,000 IN TWO SEPARATE CLASSES
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WOULD you like to have a chance to help plan the private plane of the postwar period? Are you willing to take a little time to think about the kind of plane you yourself would like to own and fly after the war is won? If so, POPULAR SCIENCE MONTHLY will welcome your suggestions.
PopularScience_19440601_0144_006_0074.xml
article
114
114
$5,000 PLANE CONTEST
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Rules
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THE purpose of this contest is to encourage interest in aviation in general and aircraft design in particular through serious consideration of America's private planes of the future. For the purpose of this contest the helicopter may be regarded as a private plane.
PopularScience_19440601_0144_006_0075.xml
article
114
114,115
$5,000 PLANE CONTEST
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LATEST PREWAR PRIVATE
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PopularScience_19440601_0144_006_0076.xml
article
116
116,117
$5,000 PLANE CONTEST
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THERE'S NO TRICK TO MAKING A THREE-VIEW DRAWING OF YOUR ENTRY IF YOU USE THESE SERVICE AIDS
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TO HELP you visualize your ideas for the future plane you'd like to own, we offer at above right a check list of items to consider when planning your entry. This is meant to stimulate thought on many details that may be included in your entry. Below is a simple "three-view" of a hypothetical plane made up from the "starred" parts at the right.
PopularScience_19440601_0144_006_0077.xml
article
116
116,117
$5,000 PLANE CONTEST
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Check List
TYPE OF DESIGN AND CONSTRUCTION
WINGS
ENGINE OR POWER PLANT
LANDING GEAR
PROPELLERS
EQUIPMENT
TAIL DESIGN
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High wing, midwing, low wing, flying wing, open cockpit, cabin model, seaplane, flying boat, land plane, amphibian, helicopter, Autogiro, tailless, roadable with removable wings, plastic, all metal, tandem seating or side-by-side, number of places, nonspinning with single control system, glider-plane combination, biplane, triplane.
PopularScience_19440601_0144_006_0078.xml
article
118
118,119
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war ideas
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STEEL PONTON JETTIES are speeding American landing operations in Europe by serving as unloading piers for ships that can not come close to shore because of shallow water. Looking something like big packing cases, the individual steel pontons are towed out into the water and linked together with steel plates.
PopularScience_19440601_0144_006_0079.xml
article
120
120,121,122,123,198
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Laying Tracks in the Sky
Across arctic wastes and desert sands, AACS radio ranges guide our planes and guard their safety on the errands of global war.
HOW AACS POINTS THE WAY FOR EVERY ARMY PLANE
DFS LOCATE PLANES THAT ARE LOST OR GROUNDED
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VOLTA TORREY
MODERN airways such as we have in the United States now run around the world. This means that the globe has been laced with new means of communication, for an airway without many different kinds of fast, reliable communication facilities is like a railroad right-of-way without tracks, signals, or telegraph wires.
PopularScience_19440601_0144_006_0080.xml
article
124
124,125,126
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Earth Puzzle
Aerial photos show giant cracks forming jigsaw patterns. . . . Not noticeable on the ground, they have the geologists guessing.
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THE mystery of the Animas playa is baffling the geological sleuths. Playas are common landscape features in the southwestern part of the United States. They are stretches of level ground on which water accumulates during heavy rains and which later dry out into sheets of sun-baked mud.
PopularScience_19440601_0144_006_0081.xml
article
127
127
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To Make Life Easier for the Soldier
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MADE OF PLASTIC, the fireman’s helmet below has been adopted by the Quartermaster Corps of the U. S. Army for use by fire details in place of one formerly made of hard rubber. This one is of laminated phenolic resin and canvas in three plies molded together in one operation with the exception of the shield, which is riveted on.
PopularScience_19440601_0144_006_0082.xml
article
128
128,129zz
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what's NEW in Aviation
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NAVY VERSION of the B-24 Consolidated Liberator, the PB4Y patrol bomber, has a single tail instead of the twin rudder so familiar on the Army job. Two-gun side blisters replace the openings for waist gunners, and there are two double .50 caliber turrets on top in place of the single one on the new Army Liberator.
PopularScience_19440601_0144_006_0083.xml
article
130
130,131,132,133,222,226
News
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Magic with MAGNETISM
If this experimenter is right, his discovery will upset all our accepted ideas on this familiar force.
MAGNETIC CURRENT vs. ELECTRIC CURRENT
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ALDEN P. ARMAGNAC
CAN a magnet take water to pieces? No, say physics textbooks. Yes, says Prof. Felix Ehrenhaft, former director of the Physical Institute at the University of Vienna, who now carries on his research in New York. If he should turn out to be right, his findings in the realm of magnetism promise practical applications as far-reaching as the dynamos, motors, transformers, telephones, and radio that have stemmed from Faraday's fundamental research in electricity.
PopularScience_19440601_0144_006_0084.xml
article
134
134,135,136
Automobiles
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Does Your Car Look Its Best?
YOU CAN GET RID OF DENTS, SCRATCHES, AND SQUEAKS IN YOUR OWN GARAGE BY FOLLOWING A FEW SIMPLE STEPS
BODY LUBRICATION CHART
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Ralph Rogers
DAMAGED body and door panels and bent fenders can spoil the appearance of your car even when they are thought to be too small for a professional shop-repair job. Usually where there is a dent, the paint will be cracked and will soon begin to peel, making a spot that can be attacked by rust.
PopularScience_19440601_0144_006_0085.xml
article
137
137
Automobiles
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USEFUL AUTO HINTS
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1 DENTS IN HUB CAPS can be removed easily by backing the damaged cap with sand and hammering lightly from the inside with a ball peen. Fill a bucket with sand piled in loosely, lay a cloth over it to guard against scratching the finish, put the cap on the cloth, as shown, and press and twist it a little to bed it down.
PopularScience_19440601_0144_006_0086.xml
article
138
138
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AUTO IDEAS
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CYCLING UP HILLS is quite a bit easier when you don’t have to pump. With this idea in mind, Yankee soldiers serving with the U. S. Army Air Forces somewhere in Britain invented a new type of horseless carriage—the “electrocycle” shown at right.
PopularScience_19440601_0144_006_0087.xml
article
139
139,140,141
Automobiles
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Gus Argues a Case in Court
HE BALKS A JAIL TERM WITH HIS OWN BRAND OF DETECTING
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Martin Bunn
JUDGE HODGKINS cut off a taxi driver's excuses with a thump of his gavel. "A red light means stop. Five dollars. Next case," he called and looked about his courtroom. Then his judicial sternness gave way to a bright smile. “Hello, there, Gus Wilson,” he said loudly.
PopularScience_19440601_0144_006_0088.xml
article
142
142,143,144,145
Home and Workshop
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Picture Frames You Can Make with Hand Tools
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FRAMED pictures, whether hung singly or in twos and threes, are of considerable help in the decorating scheme of many rooms. Their pleasing presentation depends upon the wall area to be covered, the size of the pictures and of the frames, and their position.
PopularScience_19440601_0144_006_0089.xml
article
146
146,147
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MODEL RACING CAR
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FREDERICK HUMPHREY
CARVED from a block of clear, soft 2" by 3" stock, this smart model racing car makes a sturdy toy. The one shown has polished wheels that are an interesting project in lathe spinning, but suitable wheels can be bought ready-made at a model-supply house or shaped from pieces of rolling pin.
PopularScience_19440601_0144_006_0090.xml
article
147
147
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Soldering Iron Helps in Shaping Model Parts from Acetate
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MICHELE DE SANTIS
ACETATE material, softened with hot water, becomes very pliable and can be handled and molded readily for model-making parts. If difficulty is experienced with curves or bends where they are confined to very limited areas, try holding an electric soldering iron in a vise and pressing the material around the hot shank.
PopularScience_19440601_0144_006_0091.xml
article
148
148
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AIDS TO Modern Living
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JUST ONE ICE CUBE or as many as you need can be quickly and easily removed from the tray shown below. Resting in a frame are a dozen separate cups in which the water is frozen. You merely lift out the number of cups required, press their flexible sides, and the ice is freed.
PopularScience_19440601_0144_006_0092.xml
article
149
149,150,151
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Graceful Ladder-Back Chairs
COLONIAL FURNITURE ADDS CHARM TO ANY ROOM
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Franklin H. Gottshall
LADDER-BACK chairs retain their popularity because of their simple and sturdy construction and lack of ornamentation. Two well-liked types are the arm chair with four slats and the rocker with its gracefully curved back. One or more side chairs may be made as well.
PopularScience_19440601_0144_006_0093.xml
article
152
152,153,154
Home and Workshop
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Recipe for Successful Gluing
HOW TO PREPARE THE RIGHT WOOD FOR THE RIGHT PLACE
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Edwin M. Love
GLUING is one of the strongest and neatest methods of fastening employed by the woodworker. Tight joints held with a good glue will often withstand a pull of as much as 700 lb. per square inch and are frequently stouter than the wood itself. Glue enables the cabinetmaker to turn out handsome pieces with surfaces Unmarred by nails or screws.
PopularScience_19440601_0144_006_0094.xml
article
155
155
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What's Wrong?
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Six wood-turning errors are shown in these drawings—two of them are in Fig. 3. The correct answers are printed upside down.
PopularScience_19440601_0144_006_0095.xml
article
155
155
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Modern Hexagonal Jardiniere Glued Up from Strips of Wood
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THIS jardiniere with its straight, modern lines has the appearance of pottery when finished with brushing lacquer left in full gloss, but in reality it is a woodworking project. Beige for the base, and a strip of blue, green, or brown put on with masking tape, will make an interesting color combination.
PopularScience_19440601_0144_006_0096.xml
article
156
156
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Waddling Duck Is Lively Action Push Toy
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ELMA WALTNER
ANY child can put Mr. Duck through his paces. The pert-looking, waddling bird obligingly bobs his head up and down as he is pushed along the floor and does some very fancy stepping as he quickly lifts up and sets down his feet. And despite his awkward gait, Mr. Duck is easy to construct and has no parts that can get out of order.
PopularScience_19440601_0144_006_0097.xml
article
156
156
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Simple Helicopter Is High Flier
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HERE is an old favorite that still brings thrills to an air-minded generation. The helicopter is cut from an unsalvageable tin can. Twist the blades slightly, and then solder a wire ring on the ends as a guard. A 32" piece of hay wire or any heavy-gauge wire is bent in the middle and twisted with the aid of a block as indicated below to make the rod.
PopularScience_19440601_0144_006_0098.xml
article
157
157
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Strawberry Wall Holds 48 Plants
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SET up in a sunny corner of a back yard, this strawberry wall will prove a decorative asset as well as a productive one. The red and green of berries and leaves, mingled against a background of weathered boards, make an exceptionally pleasing combination.
PopularScience_19440601_0144_006_0099.xml
article
157
157
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Capacious Farm Trailer Is Built of Old Auto Frame and Wheels
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RALPH S. WILKES
CONSTRUCTED principally of the castoff chassis and front wheels of an automobile, this two-wheeled trailer for a farm tractor can be used for many purposes in the field, including the hauling of large loads of hay. Because of the extra width between wheels and the absence of springs, the trailer is unusually stable on a steep hillside, and its design makes it easy to back up.
PopularScience_19440601_0144_006_0100.xml
article
158
158,159
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ENGINEERS...
A NEW MARBLE GAME WITH A MILITARY THEME
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FRANK SHORE
HERE is a brand-new game made almost completely of cardboard. It calls for skill and good judgment and offers an interesting military problem. The object is to set up and man three gun emplacements on the other side of a river. It's a job for the Army Engineers! They must bridge the river first, and then set up the pillboxes for the advancing troops.
PopularScience_19440601_0144_006_0101.xml
article
159
159
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Block for Printing Targets Made of Linoleum Cut in Lathe
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RICHARD SALZER
MOUNTED on wood and chucked in the lathe, a piece of linoleum can be cut quickly and accurately for a printing block to make targets for rifle and BB-gun practice. Apply printers’ ink or black oil paint by rolling it on a sheet of glass with a rubber roller and transferring it from the roller to the linoleum.
PopularScience_19440601_0144_006_0102.xml
article
160
160,161
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TEN MISTAKES OF AMATEUR GARDENERS
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HAYDN S. PEARSON
UNCLE SAM is asking for a 25-percent increase this year over last summer's Victory gardens because of the vast food requirements of fighting men and civilians. Whether your garden is a success depends on many factors. Here are 10 common beginners' mistakes.
PopularScience_19440601_0144_006_0103.xml
article
162
162,163
Home and Workshop
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Good Riddance to RHUS TOXICODENDRON (POISON IVY TO YOU)
Chemical Warfare Against Plant Nuisance Number One Is Usually the Best Means of Eliminating This Pest Around Your Home
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POISON ivy may be the most unpopular of the weeds, but it certainly gets around! Its notorious three-leaf clusters menace picnicker and casual passer-by almost everywhere in the country. Its bark and pollen are nonirritant, but the poisonous element— an oily, nonvolatile substance called urushiol —flows in the sap and pervades all parts of the plant.
PopularScience_19440601_0144_006_0104.xml
article
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164
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OF INTEREST TO HOME OWNERS
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INSECT PESTS suffer heavy casualties when attacked with this new insect gun, which is fabricated solely of plastics, glass, leather, paper, and wood. Lighter and easier to manipulate than the former all-metal spray guns, the new device has a broad-based bottle that will not tip easily.
PopularScience_19440601_0144_006_0105.xml
article
165
165,166,167,168
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A "MUST FOR THE SKILLED MACHINIST . . . Reading Vernier Scales
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PRESENT-DAY mass-production methods requiring the speedy manufacture of interchangeable parts have put emphasis on the extremely accurate fixed gauge; but if you would be a master machinist, or hope to turn out precision work in a small shop or in your own basement, a knowledge of vernier scales is indispensable.
PopularScience_19440601_0144_006_0106.xml
article
169
169
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NEW SHOP IDEAS
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DIFFERENTIAL CALIPERS prevent errors in cutting wood patterns for airplane parts. Steel templates for sheet-metal parts are made full size, but from these must be made wooden patterns exactly 7/32" smaller all around. These are cut with a router revolving directly beneath a pin touching the edge of the steel template.
PopularScience_19440601_0144_006_0107.xml
article
170
170,171
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KEEPING THE HOME SHIPSHAPE
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PopularScience_19440601_0144_006_0108.xml
article
172
172,173,174,175
Home and Workshop
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How to Judge a Secondhand Boat
POINTERS ON WHAT TO WATCH FOR WHEN DECIDING IF A USED CRAFT IS ACTUALLY A BARGAIN OR A BAD BUY
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ELON JESSUP
THOUGH the war has choked off the supply of new pleasure boats, it's still easy in many localities to purchase a secondhand craft. What's more difficult is for the inexperienced boatman to be sure that he is getting a good buy. This is not to suggest that those who have boats for sale are an untrustworthy lot, nor that buying a good used boat has to be a blind gamble.
PopularScience_19440601_0144_006_0109.xml
article
176
176
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BARREL-HOOP BATHHOUSE
Portable Dressing Room Can Be Set Up Anywhere on the Beach
Comfortable Lawn Chairs Spruce Up Your Outdoor Living Room
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HI SIBLEY
WILLIAM FREEMAN
DRESSING at the beach is simplified with this collapsible bathhouse that consists of two vertical poles, a horizontal rod, and a couple of yards of unbleached muslin sewed to two barrel hoops. It weighs but a few pounds and can be folded into a small space.
PopularScience_19440601_0144_006_0110.xml
article
177
177
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Bigger Home Movies in a Small Room
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ERVIN WALTERS
VARYING the size of the screened image without moving your home-movie projector is possible with this projection-lens mount. It makes use of two salvaged achromatic lenses, available at $4 for the pair, which have a diameter of about ¾" and a focal length of 4", giving an equivalent focal length of some 2" when mounted close together.
PopularScience_19440601_0144_006_0111.xml
article
178
178,179,180,181
Home and Workshop
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Taking Pictures with Your Enlarges
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Walter E. Burton
HAVE you ever tried projection photography? It's a somewhat shy cousin of projection printing and is usually associated with photomicrography. No camera is required, as in making paper negatives (see P.S.M., Nov. 1943, p. HW 530), yet it produces better photographs of some subjects than can be generally obtained by ordinary photography—and with nothing more than a conventional enlarger that has a reasonably good lens.
PopularScience_19440601_0144_006_0112.xml
article
181
181
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PHOTO IDEAS
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REMOTE SHUTTER CONTROL for use in making natural self-portraits can be rigged up simply by establishing a connection with a long wire from a magnetic synchronizer mounted on the camera to the flash-gun battery case held in your hand. Then when sitting for your own picture, all you will need to do to trip the shutter of the camera from a distance is to press the button on the flash-gun battery.
PopularScience_19440601_0144_006_0113.xml
article
182
182
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Improvised Power Attachments Churn Butter Quickly for Home Use
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CHURNING small amounts of butter for personal use takes from 30 to 60 minutes when a hand churn is employed, but the time can be reduced to about 15 minutes by equipping the churn with one of the two power attachments shown at the right. In addition, the labor will be cut drastically.
PopularScience_19440601_0144_006_0114.xml
article
182
182
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Concrete Watering Bowl and Feed Trough Cast in Simple Molds
DESIGN FOR FEED-TROUGH MOLD
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CONCRETE watering bowls, like the one in the photo, can be molded for poultry yards without recourse to special waterproofing compounds, while a feed trough for chickens can be cast without difficulty by using a simple mold. To make the bowl, grease a wooden or metal receptacle to serve as the outer form.
PopularScience_19440601_0144_006_0115.xml
article
183
183,184,185
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HOW TO DUPLICATE A LOST KEY
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Harold P. Strand
WHEN you have put off getting an extra key and lose your last one, what then? It is, of course, much easier to duplicate a key from a model, but it is by no means an impossible job to make one to fit a pin-tumbler cylinder lock if the original key has been lost.
PopularScience_19440601_0144_006_0116.xml
article
185
185
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V-Notch in Spur Center Indexes Lathe Work
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WILLIAM T. MORRIS
WHEN work is to be removed from a wood lathe and to be returned later for further turning, it will prove convenient to have one of the live-center spurs notched, as shown below. The notch will so mark the end of the turning that it can be put back in its original position to rim dead true.
PopularScience_19440601_0144_006_0117.xml
article
185
185
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Vacuum-Cleaner Motor Operates Toys
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R. S. W.
WIRED with an ordinary household light bulb in series to limit its speed, the motor from a discarded vacuum cleaner can be used to drive the moving parts of children’s action toys. The fan is taken off the motor and a pulley, which can be an empty sewing-thread spool, is pressed on the shaft to accommodate a belt, as shown above.
PopularScience_19440601_0144_006_0118.xml
article
186
186,187,188,189
Home and Workshop
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RADIO-FREQUENCY POWER
Already Vital to Many War Industries, This Versatile Form of Energy Specializes in Performing the Impossible
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JOHN W. CAMPBELL
THE equipment and techniques that we now have for generating radio-frequency current are largely the product of research conducted for radio communications. Nevertheless, R. F. power—something vastly different from. the simple sending of a signal— has become the fast-growing beneficiary of this same research.
PopularScience_19440601_0144_006_0119.xml
article
190
190
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HEAVY-DUTY CHOKE-INPUT POWER PACK Servicing Your Radio
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WHERE you find replacement of a power pack difficult, or have trouble with blowouts on a condenser-input filter, this rugged power pack, constructed of salvaged parts and capable of delivering 300 volts at 250 milliamp., will give excellent service.
PopularScience_19440601_0144_006_0120.xml
article
191
191
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radio ideas
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PORTABLE INTERPHONES are being used to speed installations, riveting, and assembly in plane, ship, and other war construction. These instruments, provided with either conventional or throat-type microphones, enable a mechanic working in one part of a plane to communicate with members of his crew in other compartments to coordinate the installation and testing of equipment.
PopularScience_19440601_0144_006_0121.xml
article
192
192,193
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HOME EXPERIMENTS WITH LIGHT
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SHOWING WHAT ISN'T THERE by making an object appear somewhere else is a neat trick to mystify your friends. Reflected in an ordinary concave shaving mirror, an object will appear right-side up if it is within the focal point of the mirror; but move it away from the mirror until it is outside the focal point, and it will appear magically upside down.
PopularScience_19440601_0144_006_0122.xml
article
194
194,195,196
Home and Workshop
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Testing Household Products
SIMPLE HOME EXPERIMENTS TELL MUCH ABOUT EVERYDAY ITEMS
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Kenneth M. Swezey
WITH prepared foods, medicines, cosmetics, cleaning preparations, and other household products purer and more consistent in quality now than a dozen years ago, thanks go to a vast army of chemists working behind the scenes. Chemists employed by the manufacturers check products constantly for purity and uniformity.
PopularScience_19440601_0144_006_0123.xml
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201
201,202,203,204
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[no value]
Advertisement
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0124.xml
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205
205
[no value]
[no value]
GENERAL ELECTRIC
[no value]
GENERAL ELECTRIC
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0125.xml
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206
206
[no value]
[no value]
AC
[no value]
AC
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0126.xml
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207
207
[no value]
[no value]
National Carbon Company, Inc.: Eveready
[no value]
National Carbon Company, Inc.
Eveready
[no value]
[no value]
PopularScience_19440601_0144_006_0127.xml
advertisement
208
208
[no value]
[no value]
TYSON BEARING CORPORATION
[no value]
TYSON BEARING CORPORATION
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0128.xml
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209
209
[no value]
[no value]
Industrial Tape Corporation: Texcel Tape
[no value]
Industrial Tape Corporation
Texcel Tape
[no value]
[no value]
PopularScience_19440601_0144_006_0129.xml
advertisement
210
210
[no value]
[no value]
Nicholson File Co.
[no value]
Nicholson File Co.
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0130.xml
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211
211
[no value]
[no value]
DEFOE SHIPBUILDING COMPANY
[no value]
DEFOE SHIPBUILDING COMPANY
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0131.xml
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212
212
[no value]
[no value]
CURTISS ELECTRIC PROPELLERS
[no value]
CURTISS ELECTRIC PROPELLERS
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0132.xml
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213
213
[no value]
[no value]
J. H. WILLIAMS & CO.
[no value]
J. H. WILLIAMS & CO.
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0133.xml
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214
214
[no value]
[no value]
ATLAS PRESS CO.
[no value]
ATLAS PRESS CO.
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0134.xml
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215
215
[no value]
[no value]
THE NEW YORK AIR BRAKE COMPANY: HYCON
[no value]
THE NEW YORK AIR BRAKE COMPANY
HYCON
[no value]
[no value]
PopularScience_19440601_0144_006_0135.xml
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216
216
[no value]
[no value]
Allison
[no value]
Allison
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0136.xml
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217
217
[no value]
[no value]
THE ELECTRIC STORAGE BATTERY CO.: EXIDE
[no value]
THE ELECTRIC STORAGE BATTERY CO.
EXIDE
[no value]
[no value]
PopularScience_19440601_0144_006_0137.xml
advertisement
218
218
[no value]
[no value]
Smooth-On Mfg. Co.
[no value]
Smooth-On Mfg. Co.
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0138.xml
advertisement
219
219
[no value]
[no value]
THE DELTA MANUFACTURING COMPANY
[no value]
THE DELTA MANUFACTURING COMPANY
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0139.xml
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220
220
[no value]
[no value]
ZENITH RADIO CORPORATION
[no value]
ZENITH RADIO CORPORATION
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0140.xml
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221
221
[no value]
[no value]
CONSOLIDATED VULTEE AIRCRAFT
[no value]
CONSOLIDATED VULTEE AIRCRAFT
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0141.xml
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222
222
[no value]
[no value]
GREENLEE TOOL COMPANY
[no value]
GREENLEE TOOL COMPANY
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0142.xml
advertisement
223
223
[no value]
[no value]
Advertisement
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0143.xml
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224
224
[no value]
[no value]
Blatz Brewing Co.
[no value]
Blatz Brewing Co.
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0144.xml
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224
224
[no value]
[no value]
JOHNSON MOTORS: Sea-Horse
[no value]
JOHNSON MOTORS
Sea-Horse
[no value]
[no value]
PopularScience_19440601_0144_006_0145.xml
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225
225
[no value]
[no value]
Advertisements
[no value]
W. L. DOUGLAS SHOE CO.
THE CROMWELL
W. L. DOUGLAS SHOE CO.
THE YALE
[no value]
[no value]
PopularScience_19440601_0144_006_0146.xml
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226
226
[no value]
[no value]
HARLEY-DAIDSON MOTORCYCLES
[no value]
HARLEY-DAIDSON MOTORCYCLES
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0147.xml
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227
227
[no value]
[no value]
T. C. Wheaton Co.
[no value]
T. C. Wheaton Co.
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0148.xml
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228
228
[no value]
[no value]
Snap-on Tools Corporation
[no value]
Snap-on Tools Corporation
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0149.xml
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229
229
[no value]
[no value]
THE HALLICRAFTERS CO.
[no value]
THE HALLICRAFTERS CO.
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0150.xml
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230
230
[no value]
[no value]
HASTINGS MANUFACTURING CO.
[no value]
HASTINGS MANUFACTURING CO.
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0151.xml
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231
231
[no value]
[no value]
Remington
[no value]
Remington
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0152.xml
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232
232
[no value]
[no value]
UNITED STATES PLYWOOD CORPORATION: Weldwood
[no value]
UNITED STATES PLYWOOD CORPORATION
Weldwood
[no value]
[no value]
PopularScience_19440601_0144_006_0153.xml
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232
232
[no value]
[no value]
Advertisement
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0154.xml
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233
233
[no value]
[no value]
Indian Motocycle Company
[no value]
Indian Motocycle Company
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0155.xml
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234
234
[no value]
[no value]
RUTLAND REPAIR PRODUCTS
[no value]
RUTLAND REPAIR PRODUCTS
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0156.xml
article
234
234
[no value]
[no value]
Old Hand Drill Is Converted to a Special Tap Wrench
[no value]
[no value]
[no value]
J. M.
A LONG-HANDLED tap wrench adapted to threading holes in hard-to-reach places may be made from a small hand drill that is rendered useless by a worn or broken gear. To convert the drill, remove the crank and gear; then lock the chuck by drilling through the frame and shaft and inserting a small bolt. This prevents the shaft from turning independently, allowing the chuck to be rotated by the handle.
PopularScience_19440601_0144_006_0157.xml
article
234
234
[no value]
[no value]
Stop Nut on Reamer Halts Cut at Any Predetermined Depth
[no value]
[no value]
[no value]
H. D. C.
IN reaming a large number of holes to an exact depth, as must for example be done if the holes are to take flush taper pins, it is a convenience to have a depth stop on the reamer. One simple way to provide such a stop is to clamp a hexagonal nut in a vise and ream it out until the reamer is as far through the nut as it is to extend into the work.
PopularScience_19440601_0144_006_0158.xml
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235
235
[no value]
[no value]
UNIVERSAL CAMERA CORPORATION
[no value]
UNIVERSAL CAMERA CORPORATION
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0159.xml
advertisement
236
236
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0160.xml
advertisement
237
237
[no value]
[no value]
PROFESSIONAL BLADE CO.
[no value]
PROFESSIONAL BLADE CO.
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0161.xml
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237
237
[no value]
[no value]
Advertisements
[no value]
THE AMERICAN PAD AND TEXTILE COMPANY
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0162.xml
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238
238
[no value]
[no value]
AUTOMATIC ELECTRIC COMPANY
[no value]
AUTOMATIC ELECTRIC COMPANY
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0163.xml
article
238
238
[no value]
[no value]
Rolled Screening Cleans Out Clogged and Dirty Files
[no value]
[no value]
[no value]
FRANCIS L. TYLER
FILES with the spaces between the teeth clogged from use are inefficient tools. Many a file which seems to cut slowly or leave a rough surface will do good work again when cleaned with a file brush. If you don’t happen to have a regular file brush, a piece of wire screening that is rolled up and scratched lengthwise along the teeth will do an excellent job.
PopularScience_19440601_0144_006_0164.xml
article
238
238
[no value]
[no value]
Red Nail Polish Marks Slide to Prevent Waste of Film
[no value]
[no value]
[no value]
G. H. SCHOENBERG
EVEN professional photographers sometimes waste film through such commonplace mishaps as reusing an exposed cut-film holder, or shooting a picture with the safety slide in place. While the best insurance against these mischances is to develop good photographic habits by following a fixed routine, there are several kinks involving the use of red nail polish that make it easier to avoid these careless accidents.
PopularScience_19440601_0144_006_0165.xml
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239
239
[no value]
[no value]
EVINRUDE MOTORS
[no value]
EVINRUDE MOTORS
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0166.xml
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240
240
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0167.xml
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241
241
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0168.xml
advertisement
242
242
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0169.xml
advertisement
243
243
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0170.xml
advertisement
244
244
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0171.xml
advertisement
245
245
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0172.xml
advertisement
246
246
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0173.xml
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247
247
[no value]
[no value]
EDMUND SALVAGE CO.
[no value]
EDMUND SALVAGE CO.
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0174.xml
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247
247
[no value]
[no value]
JACOBS MFG. CO.
[no value]
JACOBS MFG. CO.
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0175.xml
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247
247
[no value]
[no value]
SILVER ROD
[no value]
SILVER ROD
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0176.xml
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247
247
[no value]
[no value]
CHRISTY SUPPLY CO.
[no value]
CHRISTY SUPPLY CO.
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0177.xml
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248
248
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0178.xml
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249
249
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0179.xml
advertisement
250
250
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0180.xml
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251
251
[no value]
[no value]
J. W. MORTEL CO.
[no value]
J. W. MORTEL CO.
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0181.xml
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251
251
[no value]
[no value]
SHINOLA
[no value]
SHINOLA
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0182.xml
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251
251
[no value]
[no value]
Interchemical Corp.
[no value]
Interchemical Corp.
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0183.xml
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251
251
[no value]
[no value]
Plastic Fabricators
[no value]
Plastic Fabricators
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0184.xml
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252
252
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0185.xml
advertisement
253
253
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0186.xml
advertisement
254
254
[no value]
[no value]
SOUTH BEND LATHE WORKS
[no value]
SOUTH BEND LATHE WORKS
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0187.xml
advertisement
255
255
[no value]
[no value]
Wm. H. Wise & Co., Inc.
[no value]
Wm. H. Wise & Co., Inc.
[no value]
[no value]
[no value]
PopularScience_19440601_0144_006_0188.xml
advertisement
256
256
[no value]
[no value]
LIGGETT & MYERS TOBACCO CO.: Chesterfields
[no value]
LIGGETT & MYERS TOBACCO CO.
Chesterfields
[no value]
[no value]
PopularScience_19440601_0144_006_0189.xml