THE CONQUEST OF LIGHT: 1842-1942:
N.p. Agfa Ansco, 1942. First edition. 8vo.,  pp., with 5 mounted original b&w and 1 color gelatin silver photographs, and includes a strip of an ozalid sound track. Cord-tied heavy blue paper wrappers embossed in blind and titled in gold ink. Housed in a paper envelope, which is titled in gold ink, with a penciled request to return this to .... at Agfa Ansco. Light offsetting to a few leaves; a fine copy. Item #54367
A brief history of "Light-Writing", or photography. The photographs depict chronological advances in photographic processes: Daguerreotype, Talbotype, Wet Plate, Dry Plate, Flexible Film, Color, and Audible.
WorldCat lists four copies: SUNY at Binghamton, UCLA, Smithsonian, and National Art Library Victoria & Albert Museum.