Announcement of a change in the value of the international volt
Edition: 1st ed., issued December 31, 1910.
Series: Department of Commerce and Labor. Circular of the Bureau of Standards -- n⁰ 29
Publisher: Government Printing Office
Published: 1910
Place of publication: Washington
Language: eng
Number of pages: 13
Notes: S.W. Stratton, director.

At head of title: Department of commerce and labor.