Safety rules to be observed in the operation and maintenance of electrical equipment and lines
Edition: <1st ed.> Issued August 1, 1914.
Series: Circular of the Bureau of standards -- no. 49
Publisher: Govt. print. off.
Published: 1914
Place of publication: Washington
Language: eng
Number of pages: 50
Notes: S.W. Stratton, director.

At head of title: Department of commerce.