Ground and polished lenses for sun glasses.
Uniform Title: | Commercial standard ;
CS78-39. |
---|---|
Corporate Author: | United States. National Bureau of Standards (Issuing body) |
Language: | English |
Published: |
Washington, D.C. :
United States Department of Commerce, National Bureau of Standards,
1940.
|
Series: | Commercial standard ;
CS78-39. |
Subjects: | |
Physical Description: | ii, 8 pages ; 24 cm. |
Format: | Government Document Book |