Charts for testing lens resolution
By: by Irvine C. Gardner
Series: U.S. National bureau of standards. National bureau of standards miscellaneous publication -- M166
Publisher: U.S. Govt. print. off.
Published: 1940
Place of publication: Washington
Language: eng
Subjects: Photographic lenses
Notes: Caption title

At head of title: U.S. Dept. of commerce, Jesse H. Jones, secretary. National bureau of standards; Lyman J. Briggs, director