Copper wire tables.
Contributors: United States. Bureau of Standards.
Edition: 3d ed.
Series: Circular of the Bureau of Standards -- no. 31
Publisher: Government Printing Office
Published: 1914
Place of publication: Washington
Language: eng
Number of pages: 76
Subjects: Electric wire -- Standards.
Notes: "Issued October 1, 1914."

At head of title: Department of Commerce.