Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U.S. seacoast defenses (1902)
United States. War Dept, Anderson, George Lucius, 1849-1934 · Washington, Govt. Print. Off. · leaf 20
lts in the scale, orother impurity in hot water under highpressure, or to galvanic action. Theill effects can generally be reduced bypure soda ash, in solution, uniformlyadded by the pump. If galvanic actionis suspected, fasten blocks of zinc intogood metallic contact with boiler partsand near the… … 8. Corrosion Next a Lap. leaking to remain in the seatings and coverings. Finally coat with linseed oil.(d) A sensitive hydrometer, finely graduated above unity over a short range,will aid in detecting the waters which cause scale or internal corrosion. 14 HANDBOOK FOR ELECTRICIANS. (F) CLEANING…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.