Permissible explosion-proof electric motors for mines
Subtitle: conditions and requirements for test and approval
By: by H.H. Clark.
Series: [United States] Bureau of mines. Technical paper,; 101
Publisher: Govt. Print. Off.
Published: 1915
Place of publication: Washington
Language: eng
Number of pages: 17
Subjects: Electric motors.; Electricity in mining.
Notes: At head of title: . . . Department of the interior. Bureau of mines. Jospeh A. Holmes, director.
First edition, March, 1915. cf. verso of t.-p.
"Publications on mine accidents and methods of coal mining": p. 15-17.