Portable electric mine lamps / by H.H. Clark.

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Bibliographic Details
Main Author:	Clark, H. H. (Harold Hayward), 1876-
Corporate Author:	United States. Bureau of Mines
Format:	Government Document Book
Language:	English
Published:	Washington : Dept. of the Interior, Bureau of Mines, [1913]
Edition:	[1st ed.]
Series:	Technical paper (United States. Bureau of Mines) ; 47.
Subjects:	Electric lamps, Portable > Safety measures. Electric lamps, Portable > Design and construction. Electricity in mining > Safety measures. Mine explosions > Prevention.

Portable electric mine lamps

Published 1913

Government Document Microfilm Book