Optical and mechanical characteristics of 16-millimeter motion-picture projectors
By: by Robert E. Stephens. <Issued June 1, 1942>
Series: U.S. National bureau of standards. Circular of the National bureau of standards, C 437
Publisher: U.S. Govt. print. off.
Published: 1942
Place of publication: Washington
Language: eng
Number of pages: 22
Subjects: Cinematography.; Lantern projection.
Notes: At head of title: U.S. Dept. of commerce, Jesse H. Jones, secretary. National bureau of standards, Lyman J. Briggs, director...