Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U. S. seacoast defenses .. (1904)
United States. War Dept · Washington, Govt. print. off. · leaf 44
HOR.nVlve. Oil Pump. 29. Check and Bv=Pass Valve Box. 5. The regulation of the engine is effected by altering tlie supply of oil in twoways: first, bv changing the length of stroke of the pump, i. e., the oil supply,and, second, jiutomatically by a sensitive ball governor which opens the…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
