National Geographic : 1921 Dec
01 Books thatareneverfinished Bulky volumes of mathematical calculation that repre sent almost a decade of untiring research, cram the safe at the Kodak Lens Plant. It is on these pages-a record of lens achievement-that the Kodak Anastigmat, subjected, of course, to relentless laboratory tests at each stage of its development, was born and perfected. And still the work goes on. No book is marked "Finis" because true genius that created the Kodak Anastigmat is never satisfied. "About Lenses" is a little booklet whose primary purpose is to give you information you ought to have in order to get better pictures. We should like to send you a copy - free. Th K K ANATl TAT S Eastman Kodak Company Rochester, N. Y. .77*3 Rd .4.5 "Mention The Geographic-It identifies you"