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Comparison of Gas Masks, Hose Masks, and Oxygen-Breathing Apparatus

Loss of Life Among Wearers of Oxygen Breathing Apparatus

Respiratory Protective Devices Approved by the Bureau of Mines as of December 31, 1968: A Revision of Information Circular 8281

Published Year

• 1920-1929 (1)
• 1940-1949 (1)
• 1960-1969 (1)

Subject

• Breathing apparatus. (3) *
• Mine safety. (2)
• Gas masks. (1)
• Mine accidents. (1)
• Respirators (Medical equipment) (1)

Author

• Grove, G. W. (1)
• Katz, S. H. (1)
• Schutz, R. H. (1)

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