Construction, care, and use of permissible flame safety lamps

Author: Hooker, A. B.
Year: 1944
Document Type: MAIN
Issuing Agency: U.S. Govt. Print. Off.,
Series: Miners' circular ;
Report Number: 44
Subject: Safety lamps
Link: https://hdl.handle.net/2027/mdp.39015077562323

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