Sensitometry of photographic emulsions and a survey of the characteristics of plates and films of American manufacture
By: by Raymond Davis, photographic technologist [and] F. M. Walters, jr., associate physicist, Bureau of Standards.  May 5, 1922.
Contributors: Walters, Francis Marion, 1888- joint author.
Series: [U.S.]  Bureau of Standards.  Scientific papers,; no. 439
Publisher: Govt. Print. Off.
Published: 1922
Place of publication: Washington
Language: eng
Number of pages: 120
Subjects: Photography -- Plates; Photography -- Films; Photography -- Equipment and supplies -- Testing.