Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 85
om the fulcrum; divide the sum of these two products by the dis-tance from the center of the valve to the fulcrum, and add to the quotient so obtainedthe weight of the valve and spindle. Divide this sum by the area of the valve; thequotient will be the required blowing-oflf pressure in pounds per…
Locomotives · Steam-boiler explosions
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