Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 518
he linkJ is lowered, the cam and carbon-carrier descend together untilthe angular position of the cam is altered by the arm H restingupon the stop r, whicb trips the clutch and allows the carbon-carrier to descend and effect the operation of feeding. Figure 803 shows the construction of the… … Fig. 302. the armature of which is so arranged as to short-circuit the lamp,when the armature is released by the magnet. This has beenarranged in a very compact and convenient form, and in practiceis usually attached to the supporting base-board above the lamp,as shown in figures 295 and 296, but…
Electrical engineering
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