Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 510
e brass plate, E, which is secured in place by dowels and screws,two of each entering each part. The cylindrical cavit)which receives the armature, G, is bored out truly andsmoothly of a uniform caliber from end to end. Theedges of that portion of the field magnet around which thewire, D, is wound… … Annunciator. 488 EXPERIMENTAL SCIENCE. are wound in the same direction, or in such a way thatwhen the two portions, A B, are placed end to end, one coilwould be simply a continuation of the other. The innerends of the coils are connected together, while their outerends are of sufficient length to…
Physics · Lantern projection · Electric apparatus and appliances
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