Bureau of Mines Information Circular

Bureau of Mines Information Circular

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Instructions in the care, use, and limitations of the oxygen demand-type breathing apparatus are applicable also to the compressed-air demand-type breathing apparatus. INSTRUCTIONS IN THE CARE AND USE OF RECENTLY APPROVED APPARATUS Care , and Use of. the Scott ... Observe the cylinder pressure indicated on the regulator gage, a#39; The. full charge is 1, 930 pounds per square inchanbsp;...

Title:Bureau of Mines Information Circular
Publisher: - 1946


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