Issue: 19450801

Wednesday, August 1, 1945
AUG. 1945
2
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147
Wednesday, December 31, 2014

Articles
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POPULAR SCIENCE
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PopularScience_19450801_0147_002_0001.xml
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Advertisement: Body by Fisher
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Body by Fisher
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PopularScience_19450801_0147_002_0002.xml
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1
1
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Union Pacific
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Union Pacific
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PopularScience_19450801_0147_002_0003.xml
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2
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BELL TELEPHONE LABORATORIES
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BELL TELEPHONE LABORATORIES
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PopularScience_19450801_0147_002_0004.xml
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3
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The B. F. Goodrich Company
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The B. F. Goodrich Company
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PopularScience_19450801_0147_002_0005.xml
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4
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THE ELECTRIC AUTO-LITE COMPANY: Auto-Lite Spark Plug
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THE ELECTRIC AUTO-LITE COMPANY
Auto-Lite Spark Plug
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PopularScience_19450801_0147_002_0006.xml
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5
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INTERNATIONAL CORRESPONDENCE SCHOOLS
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INTERNATIONAL CORRESPONDENCE SCHOOLS
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PopularScience_19450801_0147_002_0007.xml
tableOfContents
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CONTENTS for AUGUST, 1945
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PopularScience_19450801_0147_002_0008.xml
masthead
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POPULAR SCIENCE
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PopularScience_19450801_0147_002_0009.xml
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7
7
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National Carbon Co., Inc.: Mini-Max
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National Carbon Co., Inc.
Mini-Max
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PopularScience_19450801_0147_002_0010.xml
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8
8
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GENERAL MOTORS: Allison engines
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GENERAL MOTORS
Allison engines
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PopularScience_19450801_0147_002_0011.xml
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9
9
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LA SALLE EXTENSION UNIVERSITY
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LA SALLE EXTENSION UNIVERSITY
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PopularScience_19450801_0147_002_0012.xml
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10
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X-acto Crescent Products Co. Inc.: x-acto KNIVES & TOOLS
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X-acto Crescent Products Co. Inc.
x-acto KNIVES & TOOLS
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PopularScience_19450801_0147_002_0013.xml
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11
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MR. J. E. SMITH
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MR. J. E. SMITH
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PopularScience_19450801_0147_002_0014.xml
article
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12
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Coming Next Month
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FIRST ASHORE at Okinawa, as at many another Pacific landing, were the amphibian tractors—troop and cargo carriers that are equally at home on land and water. Now we can reveal the secrets of these versatile vehicles—their mechanical features and the new battle tactics they have produced.
PopularScience_19450801_0147_002_0015.xml
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13
13
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CHARLES ATLAS
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CHARLES ATLAS
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PopularScience_19450801_0147_002_0016.xml
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14
14
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PopularScience_19450801_0147_002_0017.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_19450801_0147_002_0018.xml
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16
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PopularScience_19450801_0147_002_0019.xml
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17
17
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McMORROW & BERMAN
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McMORROW & BERMAN
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PopularScience_19450801_0147_002_0020.xml
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18
18
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PopularScience_19450801_0147_002_0021.xml
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19
19
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THEO.AUDEL & CO.
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THEO.AUDEL & CO.
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PopularScience_19450801_0147_002_0022.xml
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PopularScience_19450801_0147_002_0023.xml
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Advertisement
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PopularScience_19450801_0147_002_0024.xml
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PopularScience_19450801_0147_002_0025.xml
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23
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DeFOREST’S TRAINING, INC.
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DeFOREST’S TRAINING, INC.
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PopularScience_19450801_0147_002_0026.xml
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24
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PopularScience_19450801_0147_002_0027.xml
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25
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INTERNATIONAL CORRESPONDENCE SCHOOLS
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INTERNATIONAL CORRESPONDENCE SCHOOLS
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PopularScience_19450801_0147_002_0028.xml
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PopularScience_19450801_0147_002_0029.xml
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27
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NELSON COMPANY
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NELSON COMPANY
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PopularScience_19450801_0147_002_0030.xml
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28
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PopularScience_19450801_0147_002_0031.xml
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NATIONAL SCHOOL
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NATIONAL SCHOOL
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PopularScience_19450801_0147_002_0032.xml
article
30
30,32,34
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Readers Say
New Ways of Cutting Glass Bottles Without Electricity
"The Smith Idea" Doesn't Get to First Base
Sewer-Pipe-Joint Controversy Gets Into Its Stride
Here Is a New Name for Lazy Tongs
Bike Tires May Be Down but They're Never Out
Liners Have It— Why Not Trains?
What Can This Man Do with a Lot of Sawdust?
He Tells How You Can Blitz the Termites
Experts on Chinning Should Answer This
Science Is Challenged to Include Idealism
Speaking of Filed Notches on Thickness Gauges
Better Leave the Wife's Sewing Machine Alone
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I READ your article on cutting glass bottles electrically. The idea, of course, is all right, but too much equipment is needed. Out here we do the same job by making a wire ring to fit the bottle where we want the cut to come. We heat the wire orange-hot over a blowtorch, set the bottle into the wire ring, and then immerse it slowly in a tub of water, and the glass bottle will break straight and clean on the line made by the wire.
PopularScience_19450801_0147_002_0033.xml
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31
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Roma Wine Co.
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Roma Wine Co.
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PopularScience_19450801_0147_002_0034.xml
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32
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PYROIL COMPANY
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PYROIL COMPANY
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PopularScience_19450801_0147_002_0035.xml
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33
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GENERAL MOTORS
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GENERAL MOTORS
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PopularScience_19450801_0147_002_0036.xml
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34
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THE SIMONIZ COMPANY: SIMONIZ
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THE SIMONIZ COMPANY
SIMONIZ
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PopularScience_19450801_0147_002_0037.xml
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35
35
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INDUSTRIES TECHNICAL INSTITUTE
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INDUSTRIES TECHNICAL INSTITUTE
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PopularScience_19450801_0147_002_0038.xml
article
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36
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SO IT NEEDS FIXING
What to Charge?
The Future Offers
If You Are Ambitious
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S. T. CHRISTENSEN
"WELL, I guess I’m the fellow to see, for I’ve repaired thousands of refrigerators ( home and commercial both ), vacuum cleaners, radios, washing machines, irons, fans, lamps, mangles, motors, etc. In fact, many of my customers call me their “electrical appliance doctor.”
PopularScience_19450801_0147_002_0039.xml
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37
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CHRISTY SUPPLY CO.
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CHRISTY SUPPLY CO.
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PopularScience_19450801_0147_002_0040.xml
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PopularScience_19450801_0147_002_0041.xml
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39
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SCHOOL OF PLASTICS
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SCHOOL OF PLASTICS
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PopularScience_19450801_0147_002_0042.xml
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39
39
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BLISS ELECTRICAL SCHOOL
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BLISS ELECTRICAL SCHOOL
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PopularScience_19450801_0147_002_0043.xml
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39
39
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HOBART BROTHERS CO.
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HOBART BROTHERS CO.
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PopularScience_19450801_0147_002_0044.xml
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40
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PopularScience_19450801_0147_002_0045.xml
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PopularScience_19450801_0147_002_0046.xml
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PopularScience_19450801_0147_002_0047.xml
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48A
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PopularScience_19450801_0147_002_0054.xml
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48B
48B
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PopularScience_19450801_0147_002_0055.xml
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48C
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PopularScience_19450801_0147_002_0056.xml
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48D
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PopularScience_19450801_0147_002_0057.xml
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48E
48E,48F,48G,48H,48I,48J,48K,48L,48M,48N
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PopularScience_19450801_0147_002_0058.xml
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48O
48O
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STARK’S
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STARK’S
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PopularScience_19450801_0147_002_0059.xml
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48P
48P
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TAYLORCRAFT AVIATION CORPORATION: YANKEE CLIPPER
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TAYLORCRAFT AVIATION CORPORATION
YANKEE CLIPPER
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PopularScience_19450801_0147_002_0060.xml
article
49
49,50,51,52,53
News
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Should We GAS THE JAPS?
MAJOR GEORGE FIELDING ELIOT, NOTED MILITARY COMMENTATOR, ASKS AMERICANS TO FACE FACTS
Is gas warse than flame thrawers?
Less humane than heavy explasives?
FACTS ABOUT GAS...
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THIS writer is convinced that the time has come to use poison gas as a weapon against Japanese troops in the field. The consensus among military thinkers is that gas would save American lives. It has not been used because of world-wide public revulsion against this form of invisible death ever since it was introduced in World War I.
PopularScience_19450801_0147_002_0061.xml
article
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54,55,56,57,202,206,210
News
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POPULAR SCIENCE Takes You on A Flying Vacation
WHAT IT’S LIKE TO GO TOURING IN A SMALL PLANE
WRITER AND PHOTOGRAPHER
DON'T WASTE WASTE PAPER
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A FEW clouds sat starkly in the sky against á backdrop of light blue. The wind sock atop the south hangar at New York’s Flushing Airport hung limp. This was our day. We had been held up 24 hours by weather on the start of a combination vacation and fact-finding trip in a light airplane that was to carry us to the Rocky Mountains and back.
PopularScience_19450801_0147_002_0062.xml
article
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58,59
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MARCH OF SCIENCE
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STEEL HOSIERY? There’s a possibility, even a probability, that women’s legs will soon be encased in stainless-steel stockings. At least, that idea was projected recently by an engineer in the steel industry when speculating on new uses for steel in the postwar era.
PopularScience_19450801_0147_002_0063.xml
article
60
60,61
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What Flyers See on RADAR Screen
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The magic of radar permitted Allied airmen, unseen by the enemy below, to "view" the Normandy coast from above thick clouds before and during the invasion of June 6, 1944. Using an advanced development of radar which traces a picture of the scene below, the operator could see in his viewing screen the coastline and built-up areas of towns.
PopularScience_19450801_0147_002_0064.xml
article
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62,63
Now It Can Be Told
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“PLUTO”-The Undersea Pipe Line
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ONE of the engineering triumphs of the war was “Operation Pluto,” the laying of 20 pipe lines under the English Channel to supply gasoline to the Allied armies that crushed Germany (P.S.M., July ’45, p. 70). Details of this achievement have just been made public.
PopularScience_19450801_0147_002_0065.xml
article
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64,65
Now It Can Be Told
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How ”Fido” Licked Airfield Fog
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BRITISH scientists, pilots, meteorologists, and engineers had an answer for Mark Twain’s statement that everyone complains about the weather, but no one does anything about it. That answer was FIDO (Fog Investigation Dispersal Operation), which conquered the weather in limited areas at air bases and was another vital achievement in helping to pulverize the Wehrmacht and lay waste German cities.
PopularScience_19450801_0147_002_0066.xml
article
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66
Now It Can Be Told
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British Fire Traps Awaited Invaders
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A HOT reception was planned inland and along the coasts of England for any German invaders who might have tried to set foot on English soil. The British were prepared to throw up instantaneously a wall of raging flames on land, at sea, and in the air.
PopularScience_19450801_0147_002_0067.xml
article
67
67
News
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Tank Bridges Speeded Victory
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SELF-PROPELLED bridges, carried and laid by British tanks without a single man having to leave the tanks or be exposed to enemy fire, speeded the armored thrusts across France and into Germany by spanning small rivers and canals, surmounting antitank ditches and concrete emplacements, and scaling cliffs, sea walls, and other obstacles.
PopularScience_19450801_0147_002_0068.xml
article
68
68,69,70,71,214,218
News
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WHAT MAKES THE ROCKET GO
Just any kind of gunpowder won't do. It takes a precision-made fuel to propel these deadly projectiles with accuracy.
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VOLTA TORREY
THE newest tool of war is a self-driven arrow—a long, thick, black, 12-sided rod that looks as though it were made out of hard rubber. A child or a chemist might quickly suspect that it was a secret weapon. But an ordinary fellow, seeing one of these oddly shaped clubs for the first time, has to wipe a look of incredulity off his face when told that it is a stick of concentrated zoom that already has revolutionized warfare.
PopularScience_19450801_0147_002_0069.xml
article
72
72,73
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WHATS NEW IN AVIATION
Fleet Has Fast New Scout Seaplane in Curtiss Seahawk
Kellett Helicopter Gets Army Tryout
Sign Stops Motorists Where Highway and Skyway Cross
Flying Truck Carries a Ton a Mile for Seven Cents
Flyer Moves Freely in Pressurized "Strato-Suit"
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TWICE as fast as the veteran Kingfisher and with three times as much power in her mighty radial engine, the new Navy SC-1 Seahawk has joined the fleet. Catapulted off a cruiser or battleship, this single-place scout-observation float plane spots gunfire, locates enemy fleet units, and serves as a rescue plane.
PopularScience_19450801_0147_002_0070.xml
article
74
74,75,76,77,226
Now It Can Be Told
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How Pickaback Barges Bucked Atlantic Gales for D-Dav
Herded by tossing tugboats, clumsy craft built for quiet harbor waters braved ocean storms to join Eisenhower's invasion armada in England for the Normandy landings.
This Sterile Camera Takes Pictures of Surgical Operations in Color
War-Tested Sea Mule Will Be Peacetime Tug
Ten-Section Floating Dry Dock Holds a Battleship
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IT LOOKED like a big barge, but it rode too high above the water for a barge. From a distance, it resembled a pre-Civil War battleship, but its bow and stern were as square-cornered as its superstructure, no guns were mounted on it, and there were no signs of a crew, portholes, or engines.
PopularScience_19450801_0147_002_0071.xml
article
78
78,79,80,194,198
News
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When the AAF Throws Everything at Japan
Transplanting our airpower from Europe to the Pacific involves a mammoth job of building bases and fields.
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JAMES L. H. PECK
FOR the big job of moving our airpower from Europe to the Pacific, an AAF engineering officer said, “We’ve got to have the land. Then the bases have to be laid out and carved out. On these airdromes and back of them, we have to set up depots of various sizes.
PopularScience_19450801_0147_002_0072.xml
article
80
80,81,82,83
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Your Pin UpXP-55 CURTISS ASCENDER
How's Your Sense of Mechanics?
There are Two Sides to this!
How Well Do You Visualize?
Do You See Through Camouflage?
This Is a Touching One!
Can You Read the Words?
Does Impressionism Bother You?
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EVERYTHING seems to be turned around in this experimental fighter. Wings, power plant, and propeller are mounted to the rear of the pilot; elevators are on the nose, rudders and vertical stabilizers on the wings. Engine is a 1,275-hp. Allison.
PopularScience_19450801_0147_002_0073.xml
article
84
84,85,86,87,88,89,90,91,92,93,94,95,96,97,192
News
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AIR WAR
A PICTORIAL HISTORY OF THE ARMY AIR FORCES
CIVIL WAR
THE WRIGHT BROTHERS
WORLD WAR. I
BEST GERMAN PLANES OF THE FIRST WORLD WAR
U.S. ACES: WORLD WAR I
BETWEEN WORLD WARS
HOW THE FLYING FORTRESS GREW
WORLD WAR, II
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Rarely is a magazine privileged to present so dramatic and significant an article as AIR WAR: A PICTORIAL HISTORY OF THE ARMY AIR FORCES. On the following pages is recounted in brief one of military history's greatest achievements — the evolution of the United States Army Air Forces from a primitive beginning to what is probably the most tremendous striking force in the world today — a force which has shaped the history of the world and has written in the sky the destiny of millions...
PopularScience_19450801_0147_002_0074.xml
article
98
98,99
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new ideas from the inventors
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PopularScience_19450801_0147_002_0075.xml
article
100
100,101
News
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The Air's the Place to Fight
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FRANK TINSLEY
Dive-bombing the Japs was easy for these leatherneck flyers; it was getting back that was tough. The trip gave them a taste of life in the “splinter fleet”— and convinced them that they still liked planes best.
PopularScience_19450801_0147_002_0076.xml
article
102
102,103,104
News
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Doom for Deadly Shipwreck Rock
The “Calliope” Plays
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FOR two years, Canadian engineers have been struggling to anchor a drilling barge to cut down Ripple Rock. This is a shipdestroying obstacle hidden in the waters between Vancouver Island and the mainland, on the vital water route to Alaska.
PopularScience_19450801_0147_002_0077.xml
article
105
105,106,107,108,190
News
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What Do You Know About Thermostats?
Our Watchdogs of Heat and Power
THREE MAIN TYPES OF THERMOSTATS, AND HOW THEY DO THEIR JOBS
How Well Do You Visualize?
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GOLD V. SANDERS
THOUGH you may be entirely unconscious of the fact, there are thousands of thermostats working for you right now, making your daily life more comfortable. The more we go in for automatic living, the more we depend upon these small instruments that are so efficient and yet so simple.
PopularScience_19450801_0147_002_0078.xml
article
109
109
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"Breathing Head" Tests Masks
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WITH its head in an ice chamber and its lungs in a box outside, a robot works overtime at Wright Field to save the lives of high-flying bomber crews. Its job is to test oxygen masks under high-altitude conditions, replacing human guinea pigs.
PopularScience_19450801_0147_002_0079.xml
article
110
110,111
News
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ODD FACTS ABOUT EYES
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"DON’T believe anything you hear, and only half of what you see” comes fairly close to being good advice. The Better Vision Institute has gone into the subject of seeing with great thoroughness, and many of its findings help us to understand what we see with our own eyes and what other animals see with theirs.
PopularScience_19450801_0147_002_0080.xml
article
112
112
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new Tools
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A WIRE STRIPPER that works in tight places is proving useful to the Army Air Forces, especially for quick electrical repairs on bombers in combat. Adjustable for five gauges of wire, it nips through the insulation, strips it back about 1½ inches, and holds it there while the splice is made.
PopularScience_19450801_0147_002_0081.xml
article
113
113
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Japs Gamble on "Human Bombs”
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JAP “Baka bombs” hurled at U. S. invaders of Okinawa are now revealed as a desperate application of suicide tactics to a weapon resembling the Nazi V-1 and V-2 robots. In the drawing above, artist Stewart Rouse gives his conception of one type of “human bomb,” based on details from reports of American observers.
PopularScience_19450801_0147_002_0082.xml
article
114
114,115,116,117,118,119
News
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How Planes Fight the "White Devil" of the Air
HOW ICE ENDANGERS FLIGHT
THESE ARE THE CAUSES OF ICE FORMATION
WHEN ICE ATTACKS A PLANE IN FLIGHT, THE AIRMAN’S DEFENSE IS . . . DE-ICING
• • • ON PROPELLERS
. . . ON WINGS
OVER-ALL ANTI-ICING SYSTEMS OFFER BEST PROTECTION
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MAJ. JOHN C. HERBST
MAJ. CARL T. SIGMAN
THE day was bright and clear, the mercury a couple of degrees above freezing. Puddles of water dotted the airfield. The pilot taxied to the end of the runway and tried to swing his plane around—but by then it was vibrating badly from the accumulation of ice on the propeller and the ailerons were frozen tight.
PopularScience_19450801_0147_002_0083.xml
article
120
120,121
HOME OWNERS
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What’s New in Modern Living
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ARTIFICIAL SUNLIGHT generated by a new Westinghouse lamp is so rich in ultraviolet energy that a tan can be acquired at home three times faster than at the seashore in midsummer. Developed by the Westinghouse Lamp Division, at Bloomfield, N. J., the 275-watt lamp screws into any convenient A.C. socket and requires no special auxiliary equipment.
PopularScience_19450801_0147_002_0084.xml
article
122
122,123,124
Automobiles
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Meet the Postwar Jeep
SPRUCE IN ITS CIVILIAN GARB, THE LITTLE BATTLE BUGGY IS READY FOR VARIED NEW CAREERS ON U. S. FARMS AND RANCHES
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SAUCY and seemingly indestructible, the jeep has captured the fancy of America. Ever since, five-odd years ago, the Army’s ¼-ton truck bounced off the drawing board and into the newsreels, owning one has been something of a goal for thousands of citizens.
PopularScience_19450801_0147_002_0085.xml
article
125
125
Automobiles
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Ford and Nash Show First New Cars
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AS THE wraps come off the first U. S. cars built since shortly after Pearl Harbor, predictions that new models would resemble the prewar ones are borne out. The first Fords feature different styling of basically the 1942 body design, plus a number of mechanical improvements, among them new crankshaft bearings, greater volume and pressure of engine oil, relocation of valves for better cooling, a new distributor, an oil cleaner, an oil-bath air cleaner, and modified shock absorbers and springs.
PopularScience_19450801_0147_002_0086.xml
article
126
126,127,128,129
Automobiles
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Gus Gets the Low-Down on the New Cars
IMPROVEMENTS ARE COMING, HE FINDS, BUT THE OLD BUS MAY STILL HAVE TO DO FOR A WHILE
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Martin Bunn
WHEN the WPB gave the green light for production of 200,000 cars this year, the Model Garage regulars could hardly wait for the first rainy Saturday afternoon. Arguments over what the new cars would be like were going hot and heavy—backed by offers of cash bets—when Gus Wilson rapped for order with a peening hammer.
PopularScience_19450801_0147_002_0087.xml
article
130
130,131,132
Home and Workshop
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CLEAR PLASTIC-JEWEL OF CRAFT MATERIALS
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Maurice Lannon
WORKING clear plastic is not nearly as hard as calling it by its scientific name —polymethyl methacrylate resin or just acrylate resin. It is no more difficult, as a matter of fact, than working wood and is much simpler to handle than metal. You can saw, drill, and carve it and sand and buff it to a sparkling finish; you can turn it in a lathe, tap it, or thread it; you can heat it and then bend it with nothing more than your hands; and you can cement it so firmly that the joint actually becomes a weld.
PopularScience_19450801_0147_002_0088.xml
article
133
133
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Announcing the Winners of Our WIRE CONTEST
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So MANY excellent projects were submitted in the POPULAR SCIENCE contest for things made of wire that the judges were forced to award a record number of ties. The first-prize entry was outstanding for the $25, but two placed second for $15 each, five were third for $5 each, and eight $1 prizes were given instead of five for a total of $88 instead of the original $50 offered.
PopularScience_19450801_0147_002_0089.xml
article
134
134
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GARDEN HOSE RACK
Need Butter? You Can Churn Your Own in a Washing Machine!
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W. T.
JOSEPH GOULART
PROPERLY built, this rack will easily support a 50' hose and should last for years. A pattern cut from cardboard will help you outline the front and back on ⅞" or 1" hardwood. If the dowel holes are drilled with a Forstner bit, about 3/16" of wood can be left on the front to provide a smooth face.
PopularScience_19450801_0147_002_0090.xml
article
135
135
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Croquet Tips
Auxiliary Wheels Raise Lawn-Mower Blades to Cut High Grass
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K. H. MATHUS
CHARLES BARR
HOW has your croquet game been this summer? Frequent use may have loosened the handles in your mallet heads, earlier sunset may be shortening your play, or you may find it tedious to lay out the ground each time you play or dangerous to leave the wickets where someone may trip over them.
PopularScience_19450801_0147_002_0091.xml
article
136
136,137
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CRAFT FROM TABLE-TOP SHIPYARDS
Desk-Top Elephant Will Carry Supply of Book Matches
Light Bulb of Reflector Type Fashioned into Dainty Vase
Fencers Made of Paper Matches Handle Pin Foils with Vigor
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ELMA WALTNER
RALPH S. WILKES
RONALD EYRICH
FAR INLAND, as well as along the seashore, old-time sailing ships hold the interest of modelmakers. Here is a trim model of the Revenge turned out by W. Ballingall, who lives in Moose Jaw, Sask. FORTY-FIVE SAILS gave a lot of speed to the five-masted, full-rigged clipper ship Preussen.
PopularScience_19450801_0147_002_0092.xml
article
138
138,139
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KEEPING THE HOME SHIPSHAPE
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PopularScience_19450801_0147_002_0093.xml
article
140
140
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WHIRLIGIG BEANBAG GAME
Dust off those old beanbags and try out your throwing arm!
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Myron Fleishman
ALL the family will engage in this game, no matter how many of the members have outgrown ordinary beanbags. The whirligig board shown below provides a thrill in testing both the accuracy of your throwing and your judgment in choosing a target.
PopularScience_19450801_0147_002_0094.xml
article
141
141
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What's Your Ingenuity Quotient ?
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Have you pulled off a smart one lately? We will pay for each contribution accepted for this page showing ingenious solutions of problems in the home, shop, garage, or camp. It doesn’t matter if it’s wacky—if it works. I SAW THE LIGHT when, fitting the tang of a new file into a handle, the ferrule dropped off and rolled I know not where.
PopularScience_19450801_0147_002_0095.xml
article
142
142,143,144,145,146,147
BEAUTY THAT'S MORE THAN SKIN DEEP
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◆◆CHIP CARVING IS FUN
Black Walnut Trinket Box Is Decorated with Chip Carving
Leaf Design in Incised Carving Adds Character to Photo Frame
Wheel-Type Eraser Guides Pencil in Fitting Irregular Surfaces
Good Design Lengthens Life of Outdoor Stairs
Quick Hitch Made on Chalk Line Keeps It from Unwinding
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EDWIN M. LOVE
CARL F. BAREIS
J. M.
R. A. J.
REGARDLESS of your artistic abilities, you will find wood carving a fascinating hobby—one in which the results will be well worth your efforts. Designs that work up beautifully can be laid out with nothing more than a compass and a straightedge.
PopularScience_19450801_0147_002_0096.xml
article
148
148,149,150,151
Home and Workshop
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SECOND WIND FOR YOUR FAN
Repairs Almost Anyone Can Make Help Blow Away Hot-Weather Cares
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WALTER E. BURTON
YOU may be one of those fortunate souls who thrive on hot weather, or you may spend your summers in the mountains or at the shore where ocean breezes blow. If so, you can skip what’s coming. But if you are like most of us mortals and perspire profusely, and if that electric fan on which you depended in former years has been out of commission since the beginning of the war, then this is your meat —and without red points.
PopularScience_19450801_0147_002_0097.xml
article
152
152,153,154
Home and Workshop
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GREEN GROWS YOUR LAWN IF IT’S SEEDED THIS FALL
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MORRIS A. HALL
HAS your lawn been satisfactory this summer, wholly satisfactory? Have color and texture been even throughout? Has growth been as vigorous as you would like? If the answer to any or all of these questions is “No,” now is the best time to repair damage.
PopularScience_19450801_0147_002_0098.xml
article
155
155
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FLYING BACKWARD INTO THE FUTURE
Modeling the Ascender XP-55 Offers Penknife Pilots a Close-up of One of Our Most Remarkable Tail-First, Pusher-Type Planes
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WARPLANES, like soldiers, rarely become famous by doing their fighting on the proving grounds. Out of hundreds of experimental planes designed and built in the course of the war, only a few have attracted any public notice. If the Curtiss XP-55 Ascender has proved an exception, it is not for what it has accomplished in battle, but rather for the promise it holds as a prototype of planes to come.
PopularScience_19450801_0147_002_0099.xml
article
156
156,157,158
Home and Workshop
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NAVY MODELMAKERS BUILD ENEMY PLANES
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WHEN the need for models of enemy planes was first felt by the Navy, its Bureau of Aeronautics Special Devices Division turned to men who had made a profession or a hobby of modelmaking in civilian life. The result was that the Navy was soon turning out model after model of enemy planes that reached perfection in every detail—planes that could be photographed against projected cloud backgrounds, thus allowing our pilots in the Pacific to identify immediately Jap planes that they had never seen before.
PopularScience_19450801_0147_002_0100.xml
article
159
159
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Speed Key for Your Lathe Chuck
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WILL THOMAS
ADJUSTING lathe chucks is often a tedious task, particularly when the jaws of a four-jaw chuck must be removed and reversed, or when an irregularly shaped piece of stock must be chucked. While the chuck key sometimes can be spun with a finger, the jaws usually bind enough at several points to make slow hand-turning necessary.
PopularScience_19450801_0147_002_0101.xml
article
160
160,161,162
Home and Workshop
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"KING-SIZE" CALIPERS WITH MICROMETER HEAD
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ERVIN WALTERS
MICROMETER measurements accurate to .001" are possible on large-diameter work with calipers you can make yourself at a fraction of the cost of vernier calipers of comparable capacity. The calipers shown also have the advantage of being able to take inside measurements when the positions of the micrometer head and anvil are swapped.
PopularScience_19450801_0147_002_0102.xml
article
163
163,164
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NEW SHOP IDEAS
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DRILLS AND REAMERS having straight shanks can be clamped in the boring-bar holder on the lathe carriage and fed to the work automatically by use of the power feed. Or, similarly clamped and supported in addition by running the dead center against it as shown in the photo at right, a reamer can be kept from turning as it is fed to the work with the tailstock handwheel.
PopularScience_19450801_0147_002_0103.xml
article
165
165
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BETTER PRODUCTION AIDS
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FOR SAFETY'S SAKE, this band saw in the Army Air Forces woodworking shop at Stewart Field, N. Y.. has been fitted with a special Plexiglas shield through which the blade is visible. The shield guards the worker from injury but does not interfere with operation of the saw.
PopularScience_19450801_0147_002_0104.xml
article
166
166,167,168,169
Home and Workshop
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It’s All in Your Point of View
FROM WHERE YOU AIM, AS MUCH AS AT WHAT, MAKES A PICTURE
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Florence C. O'Connor
NOT SO much what your camera sees, but how it sees it, is often the difference between a salon photograph and just another snapshot. Views that draw “Ah!” when first seen by the eye all too frequently prove disappointing when transferred to a print.
PopularScience_19450801_0147_002_0105.xml
article
170
170,171
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PHOTO IDEAS
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PRINTING SAFELIGHTS can be easily contrived from the two-section brown jars in which developing chemicals are sold. Either section is usable if the jar is one of the larger sizes. Otherwise, the top jar may not have sufficient space to accommodate the bulb.
PopularScience_19450801_0147_002_0106.xml
article
172
172,173,174,175,176
Home and Workshop
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Peacetime Jobs for the Handie Talkie
WILL YOU PHONE HOME BY RADIO?
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ZEH BOUCK
AS ALTERNATIVES to suicide, the prewar citizen rejoiced in a great variety of methods of “getting away from it all.” He could go fishing, sun himself on the roof, or even snuggle up to a brass rail in cases of dire emergency. To those who enjoyed the sense of splendid isolation that made this possible, the wartime forecasts of immediate electrification of everything in sight must have caused some anxious hours.
PopularScience_19450801_0147_002_0107.xml
article
177
177
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SIGNAL BOOSTER BRINGS IN WEAK STATIONS
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RADIO listeners who confine themselves to local network outlets and independent stations are sometimes pleasantly surprised when a stray combination of elements brings in an unexpected broadcast from distant parts. It is only when such accidents happen that most of us realize how much first-rate entertainment never reaches our ears.
PopularScience_19450801_0147_002_0108.xml
article
178
178
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Fluorescent Lamps Without Ballasts
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TRACY DIERS
PERHAPS you’ve wanted to make a fluorescent light but have been stopped by the difficulty of obtaining a regular inductive ballast. Actually, ballasts aren’t needed for fluorescents of 15 watts or smaller; in their place, you can use ordinary wirewound resistors of the proper value and wattage.
PopularScience_19450801_0147_002_0109.xml
article
179
179,180,181
Home and Workshop
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GAS-STOVE STEAMER PEELS WALLPAPER IN A JIFFY
Cart Saves Backbreaking Labor in Heavy Farm Hauling Jobs
Calcium Chloride and Pipe Wrappings Prevent Damp Cellars
Swing Supported on Movable Frame Remains in Shade All Day
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Vernon B. Case
I. G
JACK H. REED
STEAMING has long been considered the quickest method of loosening wallpaper —as you may have noticed in a papered bathroom after having let a hot shower run for a long time. The trick is to get the steam where it will do the job you want done most effectively.
PopularScience_19450801_0147_002_0110.xml
article
182
182,183,184
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SIX HIGH-SCHOOL BOYS EXPLORE MYSTERIES OF SCIENCE
Edward M. Kosower Produces Volcano from Chemicals
Edward Walker Measures the Speed of a Bullet with an Oscillograph
Richard Henry Milburn Transmits His Voice over a Beam of Light
John Moore Develops Formula and Builds Model for Mathematical Problems
Kirby Dwight, Jr., Studies Light Diffraction Through Window Screen
Russell R. Ellis Builds Spectroscope for Use of His Science Club
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FORTY brilliant young Americans, 29 boys and 11 girls, arrived in Washington last spring with a bewildering array of scientific apparatus. All were finalists in the 1945 talent search conducted in high schools by the Science Clubs of America.
PopularScience_19450801_0147_002_0111.xml
article
185
185,186
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CURIOSITIES FOR HOME EXPERIMENTERS
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CHALLENGE YOUR FRIENDS to remove a water-covered coin from a shallow plate with their fingers—without getting them wet. They may agree that it seems impossible. But it can be done by using a crumpled piece of paper, a match, and a tumbler! The coin should be a little off center on the plate and just barely covered with water.
PopularScience_19450801_0147_002_0112.xml
article
187
187
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MAGIC YOU CAN MAKE
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CHANGING INK INTO WATER may be possible chemically; it is definitely possible by magic—except that for the feat of magic you don't really use ink, or water either, for that matter. Your friends will be misled, however, by a cylinder of black felt cut from an old hat and inserted in a tumbler to make it appear half filled with ink.
PopularScience_19450801_0147_002_0113.xml
article
188
188,189
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TABLE TRICKS
Seedlings Moved Quickly with Little Loss
Bottle-Holding Device Saves Work in Feeding Young Animals
New Fungicide Protects Seeds
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ALICE S. COOK
CRUSH AN EGG in your hand while holding it aloft. Then throw it on the floor. To the surprise of everyone, what falls from your hand is not a mangled egg at all—but a fluttering cloud of confetti! Just any egg from the refrigerator, of course, won’t do.
PopularScience_19450801_0147_002_0114.xml
article
191
191
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ELECTRICAL ODDITIES
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NAMED “OLD LOUDMOUTH," a super loudspeaker developed by General Electric electronics engineers carries a whisper more than a mile and audible speech for three. Under ideal conditions it has been heard 18 miles away. Employing compressed air and mechanical adaptations of human speech, it is 150 times as powerful as the usual speaker.
PopularScience_19450801_0147_002_0115.xml
advertisement
193
193
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GENERAL ELECTRIC
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GENERAL ELECTRIC
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PopularScience_19450801_0147_002_0116.xml
advertisement
194
194
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NICHOLSON FILE CO.
[no value]
NICHOLSON FILE CO.
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[no value]
PopularScience_19450801_0147_002_0117.xml
advertisement
194
194
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CHAMPION SPARK PLUG COMPANY
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CHAMPION SPARK PLUG COMPANY
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[no value]
PopularScience_19450801_0147_002_0118.xml
advertisement
195
195
[no value]
[no value]
CHAMPION SPARK PLUG COMPANY
[no value]
CHAMPION SPARK PLUG COMPANY
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0119.xml
advertisement
196
196
[no value]
[no value]
Clayton Manufacturing Company
[no value]
Clayton Manufacturing Company
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0120.xml
advertisement
197
197
[no value]
[no value]
SPERRY CORPORATION
[no value]
SPERRY CORPORATION
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0121.xml
advertisement
198
198
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[no value]
Advertisement: VALSPAR
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VALSPAR
[no value]
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PopularScience_19450801_0147_002_0122.xml
advertisement
199
199
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GENERAL MOTORS
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GENERAL MOTORS
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PopularScience_19450801_0147_002_0123.xml
advertisement
200
200
[no value]
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THE ELECTRIC STORAGE BATTERY COMPANY: EXIDE
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THE ELECTRIC STORAGE BATTERY COMPANY
EXIDE
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[no value]
PopularScience_19450801_0147_002_0124.xml
advertisement
201
201
[no value]
[no value]
THE TEXAS COMPANY
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THE TEXAS COMPANY
[no value]
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PopularScience_19450801_0147_002_0125.xml
advertisement
202
202
[no value]
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GENERAL MOTORS CORPORATION: AC SPARK PLUG
[no value]
GENERAL MOTORS CORPORATION
AC SPARK PLUG
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PopularScience_19450801_0147_002_0126.xml
advertisement
203
203
[no value]
[no value]
Wright Aeronautical Corporation
[no value]
Wright Aeronautical Corporation
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[no value]
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PopularScience_19450801_0147_002_0127.xml
advertisement
204
204
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MILLER BREWING COMPANY: HIGH LIFE
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MILLER BREWING COMPANY
HIGH LIFE
[no value]
[no value]
PopularScience_19450801_0147_002_0128.xml
advertisement
205
205
[no value]
[no value]
RADIO CORPORATION of AMERICA
[no value]
RADIO CORPORATION of AMERICA
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0129.xml
advertisement
206
206
[no value]
[no value]
GREENLEE TOOL COMPANY
[no value]
GREENLEE TOOL COMPANY
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0130.xml
advertisement
207
207
[no value]
[no value]
HASTINGS MANUFACTURING COMPANY: ASTINGS STEEL-VENT PISTON RINGS
[no value]
HASTINGS MANUFACTURING COMPANY
ASTINGS STEEL-VENT PISTON RINGS
[no value]
[no value]
PopularScience_19450801_0147_002_0131.xml
advertisement
208
208
[no value]
[no value]
SNAP-ON TOOLS CORPORATION
[no value]
SNAP-ON TOOLS CORPORATION
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0132.xml
advertisement
208
208
[no value]
[no value]
Advertisements
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BELL WATCH COMPANY
No. BF 121
BELL WATCH COMPANY
No. BF 212
[no value]
[no value]
PopularScience_19450801_0147_002_0133.xml
advertisement
208
208
[no value]
[no value]
SHINOLA
[no value]
SHINOLA
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0134.xml
advertisement
209
209
[no value]
[no value]
RUSSELL ELECTRIC COMPANY
[no value]
RUSSELL ELECTRIC COMPANY
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0135.xml
advertisement
210
210
[no value]
[no value]
P. R. MALLORY & CO., Inc.
[no value]
P. R. MALLORY & CO., Inc.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0136.xml
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211
211
[no value]
[no value]
AERONCA
[no value]
AERONCA
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0137.xml
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212
212
[no value]
[no value]
Advertisement: WELDWOOD PLASTIC RESIN WATERPROOF GLUE
[no value]
[no value]
WELDWOOD PLASTIC RESIN WATERPROOF GLUE
[no value]
[no value]
PopularScience_19450801_0147_002_0138.xml
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212
212
[no value]
[no value]
THE F. J. KIRK MOLDING COMPANY
[no value]
THE F. J. KIRK MOLDING COMPANY
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0139.xml
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212
212
[no value]
[no value]
J. W. MORTELL CO.
[no value]
J. W. MORTELL CO.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0140.xml
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212
212
[no value]
[no value]
SHAW MFG. CO.
[no value]
SHAW MFG. CO.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0141.xml
advertisement
213
213
[no value]
[no value]
Advertisements
[no value]
Texcel Tape
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0142.xml
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214
214
[no value]
[no value]
MILWAUKEE DUSTLESS BRUSH COMPANY
[no value]
MILWAUKEE DUSTLESS BRUSH COMPANY
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0143.xml
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215
215
[no value]
[no value]
FORD MOTOR COMPANY
[no value]
FORD MOTOR COMPANY
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0144.xml
advertisement
216
216
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0145.xml
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217
217
[no value]
[no value]
Blatz Brewing Co.: Blatz Beer
[no value]
Blatz Brewing Co.
Blatz Beer
[no value]
[no value]
PopularScience_19450801_0147_002_0146.xml
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218
218
[no value]
[no value]
L & H Stern, Inc.: LHS PIPES
[no value]
L & H Stern, Inc.
LHS PIPES
[no value]
[no value]
PopularScience_19450801_0147_002_0147.xml
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219
219
[no value]
[no value]
HOUSING DIVISION-DEFOE SHIPBUILDING CO.
[no value]
HOUSING DIVISION-DEFOE SHIPBUILDING CO.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0148.xml
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220
220
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0149.xml
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221
221
[no value]
[no value]
THE DELTA MANUFACTURING CO.
[no value]
THE DELTA MANUFACTURING CO.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0150.xml
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222
222
[no value]
[no value]
PROFESSIONAL BLADE CO.
[no value]
PROFESSIONAL BLADE CO.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0151.xml
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222
222
[no value]
[no value]
HENRY LEONARD & THOMAS, INC.: Royalton CROWN
[no value]
HENRY LEONARD & THOMAS, INC.
Royalton CROWN
[no value]
[no value]
PopularScience_19450801_0147_002_0152.xml
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223
223
[no value]
[no value]
BURD PISTON RING CO.
[no value]
BURD PISTON RING CO.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0153.xml
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223
223
[no value]
[no value]
JOHNSON MOTORS: JOHNSON SEA-HORSES
[no value]
JOHNSON MOTORS
JOHNSON SEA-HORSES
[no value]
[no value]
PopularScience_19450801_0147_002_0154.xml
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224
224
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0155.xml
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225
225
[no value]
[no value]
Grumman AIRCRAFT ENGINEERING CORPORATION
[no value]
Grumman AIRCRAFT ENGINEERING CORPORATION
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0156.xml
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226
226
[no value]
[no value]
BRIGHT STAR BATTERY CO.
[no value]
BRIGHT STAR BATTERY CO.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0157.xml
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227
227
[no value]
[no value]
ZENITH RADIO CORP
[no value]
ZENITH RADIO CORP
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0158.xml
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228
228
[no value]
[no value]
Advertisements
[no value]
PETROLEUM SOLVENTS CORPORATION
LOOSITE
PETROLEUM SOLVENTS CORPORATION
SILOO
[no value]
[no value]
PopularScience_19450801_0147_002_0159.xml
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228
228
[no value]
[no value]
CHICAGO WHEEL & MFG. CO.: HANDEE
[no value]
CHICAGO WHEEL & MFG. CO.
HANDEE
[no value]
[no value]
PopularScience_19450801_0147_002_0160.xml
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228
228
[no value]
[no value]
ARGUS, INC.
[no value]
ARGUS, INC.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0161.xml
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229
229
[no value]
[no value]
NOMA ELECTRIC CORPORATION
[no value]
NOMA ELECTRIC CORPORATION
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0162.xml
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229
229
[no value]
[no value]
Interchemical Corporation: Mil-Du-Rid
[no value]
Interchemical Corporation
Mil-Du-Rid
[no value]
[no value]
PopularScience_19450801_0147_002_0163.xml
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229
229
[no value]
[no value]
FOLEY MANUFACTURING CO.: FOLEY automatic SAW FILER
[no value]
FOLEY MANUFACTURING CO.
FOLEY automatic SAW FILER
[no value]
[no value]
PopularScience_19450801_0147_002_0164.xml
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230
230
[no value]
[no value]
THE ANDERSON COMPANY
[no value]
THE ANDERSON COMPANY
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0165.xml
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230
230
[no value]
[no value]
ATLAS PRESS COMPANY
[no value]
ATLAS PRESS COMPANY
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0166.xml
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230
230
[no value]
[no value]
RADOLEK CO.
[no value]
RADOLEK CO.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0167.xml
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230
230
[no value]
[no value]
SHELDON MACHINE CO., INC.
[no value]
SHELDON MACHINE CO., INC.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0168.xml
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231
231
[no value]
[no value]
FORD MOTOR COMPANY: Johansson GAGE BLOCKS
[no value]
FORD MOTOR COMPANY
Johansson GAGE BLOCKS
[no value]
[no value]
PopularScience_19450801_0147_002_0169.xml
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231
231
[no value]
[no value]
PLASTICS FABRICATORS
[no value]
PLASTICS FABRICATORS
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0170.xml
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231
231
[no value]
[no value]
Laister-Kauffmann aircraft Corporation: TROJAN HORSE
[no value]
Laister-Kauffmann aircraft Corporation
TROJAN HORSE
[no value]
[no value]
PopularScience_19450801_0147_002_0171.xml
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232
232
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0172.xml
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233
233
[no value]
[no value]
CHICAGO TOOL AND ENGINEERING CO.
[no value]
CHICAGO TOOL AND ENGINEERING CO.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0173.xml
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233
233
[no value]
[no value]
ALLIED RADIO CORP.
[no value]
ALLIED RADIO CORP.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0174.xml
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233
233
[no value]
[no value]
Smooth-On Mfg. Co.
[no value]
Smooth-On Mfg. Co.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0175.xml
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234
234
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0176.xml
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235
235
[no value]
[no value]
EVINRUDE MOTORS
[no value]
EVINRUDE MOTORS
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0177.xml
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235
235
[no value]
[no value]
NORK PRODUCTS COMPANY
[no value]
NORK PRODUCTS COMPANY
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0178.xml
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235
235
[no value]
[no value]
AMERICAN HOUSEHOLD BUREAU
[no value]
AMERICAN HOUSEHOLD BUREAU
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0179.xml
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235
235
[no value]
[no value]
CRANDALL MFG. CO.
[no value]
CRANDALL MFG. CO.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0180.xml
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236
236
[no value]
[no value]
Advertisements
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0181.xml
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237
237
[no value]
[no value]
U.S. Industrial Chemicals, Inc.: PiB
[no value]
U.S. Industrial Chemicals, Inc.
PiB
[no value]
[no value]
PopularScience_19450801_0147_002_0182.xml
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237
237
[no value]
[no value]
CLYMER MOTORS
[no value]
CLYMER MOTORS
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0183.xml
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237
237
[no value]
[no value]
BRUNO TOOLS
[no value]
BRUNO TOOLS
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0184.xml
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238
238
[no value]
[no value]
DREMEL MFG. CO.: MOTO-TOOL KIT
[no value]
DREMEL MFG. CO.
MOTO-TOOL KIT
[no value]
[no value]
PopularScience_19450801_0147_002_0185.xml
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238
238
[no value]
[no value]
DYNAMIC WELDER CO.
[no value]
DYNAMIC WELDER CO.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0186.xml
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238
238
[no value]
[no value]
Advertisements
[no value]
GEO. SCHERR COMPANY, Inc.
SINE BAR
GEO. SCHERR COMPANY, Inc.
INTERNAL GAGE
[no value]
[no value]
PopularScience_19450801_0147_002_0187.xml
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239
239
[no value]
[no value]
MORTON AIRCRAFT CORPORATION
[no value]
MORTON AIRCRAFT CORPORATION
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0188.xml
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239
239
[no value]
[no value]
UNIVERSAL TOOL CO.
[no value]
UNIVERSAL TOOL CO.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0189.xml
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239
239
[no value]
[no value]
BARRON TOOL CO., INC.
[no value]
BARRON TOOL CO., INC.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0190.xml
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239
239
[no value]
[no value]
HARLEY-DAVIDSON MOTOR CO.
[no value]
HARLEY-DAVIDSON MOTOR CO.
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0191.xml
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240
240
[no value]
[no value]
SOUTH BEND LATHE WORKS
[no value]
SOUTH BEND LATHE WORKS
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0192.xml
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241
241
[no value]
[no value]
Advertisement
[no value]
[no value]
[no value]
[no value]
[no value]
PopularScience_19450801_0147_002_0193.xml
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242
242
[no value]
[no value]
SHEAFFER'S: Lifetime POINT
[no value]
SHEAFFER'S
Lifetime POINT
[no value]
[no value]
PopularScience_19450801_0147_002_0194.xml