The universal and the fireman's gas masks

Author: Katz, Sidney H.
Additional Authors: Fieldner, Arno Carl,, Bloomfield, J. J.
Year: 1923
Document Type: USBM
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.7:300
Series: Technical paper / United States Department of the Interior, Bureau of Mines ;
Report Number: 300
Subject: Gas masks
Link: https://hdl.handle.net/2027/mdp.39015077567934

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