An edition of Safety electric switches for mines
(1913)
Safety electric switches for mines
by Harold Hayward Clark
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Last edited by Open Library Bot
December 6, 2010 | History
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Subjects
Electric switchgear, Electricity in mining| Edition | Availability |
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Book Details
Edition Notes
"Publications on mine accidents and methods of mining": p.7-8.
At head of title: Department of the interior. Bureau of mines. Joseph A. Holmes, director.
On verso of t.-p.: First edition, March, 1913.
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| December 6, 2010 | Edited by Open Library Bot | Added subjects from MARC records. |
| December 10, 2009 | Created by WorkBot | add works page |