Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 547
omthe lever C, allowing it to swing off, and at the same timereverse the positions of the slides under the clutches, andrelease the upper carbon of the second set. As the upper carbon, R, of the first set is supported outof contact with its lower carbon by the stop, the current isdiverted to the… … Plan View of Feeding Mechanism. ELECTRIC LIGHTING. 525 Fig. 510. The feeding mechanism of the single lamp is the same asthat of the duplex lamp, omitting the duplicate parts andthe shifting mechanism. It is necessary that the electro-motive force of the arc-light machine should be variable within…
Physics · Lantern projection · Electric apparatus and appliances
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