ENLARGING,,,.,,, EXACT SCIENCE...
when you do it
Tells you accurately
1. Contrast grade of paper
2. Exposure time
3. Whether negative is over or under developed
No enlarging method yet devised is so ACCURATE, SO "BONER. PROOF,” and yet so amazingly SIMPLE! Faster, better than
with 48-page manual, 6-ft. cord, paper speed chart.
FOR COLOR OR BLACK AND WHITE