A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 437
cause they were first introduced byPacinotti in his dynamo-electric machine. Projector, Mangin A special form of search light. The Mangin reflector consists of a concavo-convex mirror, the convex surface of which issilvered and acts as a reflector. The radii ofcurvature of the two surfaces are such… … Fig. 452. Mangin Projector. The Mangin projector is shown in longitudinaland in cross-section in Fig. 452, and the projectorB, is placed in one end of the cylinder A, furnishedwith the openings for the ventilation of the cham-ber. The cylinder is supported on trunnions, and bymeans of screws can be…
Electricity · Electrical engineering
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