A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 435
ause 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… … iMiMiiiiiiir-^ It -/]/•;: r z^-^Wf^. j rS|B^fri.F V p jmJ Fig. 432. 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…
Electricity · Electrical engineering
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