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 117
114. Measures Electrical Energy. 3. Dynamotors, motor generators, and boosters are rotating transformers ofdirect current having a dynamo and a motor armature winding and two com-mutators iisually on the same shaft. (a) The dynamotor has two armatures, or two separate windings on onearmature…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
