Catalog Record: Progress report 4 on investigation of detachable rock-drill bits | Hathi Trust Digital Library

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Progress report 4 on investigation of detachable rock-drill bits / by McHenry Mosier.

Main Author: Mosier, McHenry.
Language(s): English
Published: [Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1937.
Subjects: Drilling and boring.
Bits (Drilling and boring)
Rock-drills.
Note: "Printed by the Timken Roller Bearing Company, Canton, Ohio, U.S.A., under a cooperative agreement with the United States Bureau of Mines" -t.p.
Physical Description: 37 p. : ill. ; 27 cm.
Original Format: Book
Locate a Print Version: Find in a library
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