Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 559
oughly insulatedfrom the core and provided on the outer side with an insu-lating covering of mica. 536 EXrERIMEXTAL SCIENCE. The ends of these coils bend down over the sides of thecore and are clamped by annular plates. The coils are con-fined in position on the periphery of the armature by… … Front Elevation of Dynamo. are only two terminals for the entire series of coils. Theseare connected with two rings carried by the armature shaft,but insulated from it and from each other. A collectorbrush touches each ring. The conductors that convey thecurrent are connected w-ith these brushes.…
Physics · Lantern projection · Electric apparatus and appliances
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