The properties and testing of optical instruments.
Edition: 2d ed. Issued August 9, 1918.
Series: Circular of the Bureau of Standards,; no. 27
Publisher: Govt. Print. Off.
Published: 1918
Place of publication: Washington
Language: eng
Number of pages: 41
Subjects: Optical instruments
Notes: S. W. Stratton, director.
At head of title: Department of Commerce.
Running title: Optical instruments.
The first edition has title: The testing and properties of optical instruments.