A photographic method of detecting changes in a complicated group of objects
By: by M. H. Stillman, associate physicist, Bureau of Standards. July 31, 1920 ...
Series: Scientific papers of the Bureau of Standards,; no. 392
Publisher: Govt. Print. Off.
Published: 1920
Place of publication: Washington
Language: eng
Number of pages: 448
Subjects: Photography.
Other titles: Photographic detection of changes.
Notes: Running title: Photographic detection of changes.