Circular of the Bureau of Standards, C421 : Spectral-Ttransmissive Properties and Use of Colored Eye-Protective Glasses.

Bibliographic Details

Corporate Author:	United States. Bureau of Standards
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [s.n.], 1938.
Subjects:	Medical supplies. Glass. Weights and measures.
Online Access:	Electronic resource (PDF)