Booklet. Condition: Very good. 46 p. 21 cm. B&w photos and tables. Stapled paper covers. Light wear. Soiled rear cover. Second edition, second printing, March 1946.
Published by Edwal Laboratories, Chicago
Seller: Burton Lysecki Books, ABAC/ILAB, Winnipeg, MB, Canada
1946, 3rd edition, revised and enlarged. (Trade paperback) Good. 139pp. Photographs, tables, index. (Photography, Photography--Technique).