The evaluation of negative film speeds in terms of print quality
By: by Loyd A. Jones ...
Contributors: Epstean Collection of Books on Photography and Its Applications in the Graphic Arts (Columbia University. Rare Book and Manuscript Library)
Publisher: [Franklin Institute]
Published: 1939
Place of publication: Place of publication not identified]
Language: eng
Number of pages: 544
Subjects: Photographic sensitometry; Photography; Exposure; Negatives; Films
Notes: Cover title.

"Reprinted from the Journal of the Franklin institute, vol. 227, no. 3, March, 1939, and vol. 227, no. 4, April, 1939."

Includes bibliographical references (pages 542-544).