A new microphotometer for photographic densities
By: by W. F. Meggers, associate physicist, Paul D. Foote, physicist, Bureau of Standards. June 30, 1920 ...
Contributors: Foote, Paul D. 1888-
Series: Scientific papers of the Bureau of Standards,; no. 385
Publisher: Govt. Print. Off.
Published: 1920
Place of publication: Washington
Language: eng
Number of pages: 308
Subjects: Microphotometer.