Optical and mechanical characteristics of 16-millimeter motion-picture projectors,
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| Author / Creator: | Stephens, Robert Eugene, 1905- |
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| Imprint: | Washington, U.S. Govt. print. off., 1942. |
| Description: | ii, 22 p. incl. illus., tables, diagrs. pl. 23 cm. |
| Language: | English |
| Series: | Circular of the Bureau of Standards ; no. 437 |
| Subject: | |
| Format: | Print Book |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/3946207 |
| Item Description: | At head of title: U.S. Dept. of commerce, Jesse H. Jones, secretary. National bureau of standards, Lyman J. Briggs, director... |
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| Physical Description: | ii, 22 p. incl. illus., tables, diagrs. pl. 23 cm. |
