Author: | Yant, W. P. |
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Additional Authors: | Berger, L. B., McCaa, G. S. |
Year: | 1930 |
Document Type: | BMRA |
Issuing Agency: | United States Bureau of Mines, |
SUDOC: | C 22.12:3017 |
Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 3017 |
Subject: | Safety lamps--Testing |
Link: | https://hdl.handle.net/2027/mdp.39015077566555 |