Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 356
e adjustable contact screw, n, fixed to an insulated bracket atside of the frame of A. One end of the fine wire shunt coil onthe outside of M^ is connected to the wire of G, and to the metalframe of A, at bottom, and the other end to the copper shuntcoil and insulated bracket and contact screw.… … Fig. 197. 33G THE ELECTRIC LIGHT. and the inside copper coil of M^. When the lamp is burning,the main current passes through A, and attracts the armature,and retains it, thus breaking the contact at n, and adding thefine wire coil of M^ to the shunt circuit, which then balances thelamp. When the…
Electrical engineering
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