Charts for testing lens resolution / by Irvine C. Gardner.

Bibliographic Details
Main Author: Gardner, Irvine C. (Irvine Clifton), 1889-
Language:English
Published: Washington : U.S. Govt. print. off, 1940.
Series:U.S. National bureau of standards. National bureau of standards miscellaneous publication ; M166
Subjects:
Physical Description:: plate ; 23 cm.
Format: Government Document Book
Description
Note:Caption title.
At head of title: U.S. Dept. of commerce, Jesse H. Jones, secretary. National bureau of standards; Lyman J. Briggs, director.