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 172
arm levers C C to contact arms DD,which carry contact rollers E E, these contact rollers bearing upon the peripheryof rheostats F F, the terminals of these rheostats being connected throughmaster switch G to the positive and negative poles of a suitable source of elec-trical energy, indicated by… … 167. Telautograph, with Cover Removed to Show the Working Parts. 124 TELEGRAPHY. 125
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
