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Author

Title Mechanical safeguards in rotary drilling / by H.C. Miller.

Imprint

Washington : Govt. Print. Off., 1925.

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Location	Call No.	OPAC Message	Status
Axe Special Collections Picher Mining	C 22.5:369	---	Lib Use Only
Axe Special Collections Picher Mining	C 22.5:369 c.2	---	Lib Use Only

Description	iv, 38 p. : ill. ; 25 cm.
Series	Bureau of mines. Technical paper 369
	Technical paper (United States. Bureau of Mines) ; 369.
Note	At head of title: ... Department of Commerce. Herbert Hoover, secretary. Bureau of Mines. D.A. Lyon, acting director.
Subject	Machinery -- Safety appliances.
	Drilling and boring.
	Oil well drilling.
Sudoc No.	C 22.5:369