Permissible electrically operated post drills and drilling machines / by L.C. Ilsley, E.J. Gleim, and H.B. Brunot.

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Bibliographic Details
Online Access:	Search for the full-text version of this title in HathiTrust
Main Author:	Ilsley, L. C. (Lee Clyde), 1880-
Corporate Author:	United States. Bureau of Mines
Other Authors:	Gleim, E. J. (Ernest J.), Brunot, H. B. (Hilary Breton), 1894-1962
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1938.
Series:	Report of investigations (United States. Bureau of Mines) ; 3391.
Subjects:	Boring machinery.

Permissible electrically operated post drills and drilling machines.

Published 1938

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