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 87
but has fewer turns ofcoarser wire in the coil, which carries a very small but a fixed fraction of the maincurrent through the shunt A S of German-silver strips in the main circiTit.Ammeters and voltmeters are inclosed in iron cases to shield their fields, andthey should be handled with care, so as… … 83. G. B., D. P. Overload Togg^le^Joint C. B.. THE SWITCHBOARD. 61 brass ends of the lever (not shown) are insulated from each other and bear uponthe arcs and two opposite points at the same time. The voltmeter can thus beswitched in between (1) dynamo posts, (2) bus bars, (3) — bus bar and…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
