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|