A new method for the measurement of photographic filter factors
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Author
Publication
1921 - Govt. Print. Off., Washington, District of Columbia
Language
English
Word Count
22,250 words, Guess
Page Count
89 pages
Identifiers
- Library of Congress Control Number21026189
- OCLC Control Number12399301
- Open LibraryOL6639916M
Classifications
- LCCTR220 .D3
Alternate Titles
- Measurement of filter factors.
Subjects
Topics
Series Statement
- United States. Bureau of Standards. Scientific papers,
- no. 409
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