Standard samples issued or in preparation by the National Bureau of Standards.
Contributors: United States. National Bureau of Standards.
Series: Circular of the Bureau of Standards -- no. 398, suppl.
Publisher: Government Printing Office
Published: 1935
Place of publication: Washington
Language: eng
Number of pages: 11
Subjects: Chemistry, Analytic -- Standards.
Notes: "Issued February 18, 1935."

At head of title: U.S. Department of Commerce. National Bureau of Standards.