Electrical appliances of the present day; being a report on the Paris Electrical Exhibition of 1881 (1884)
Heap, D. P. (David Porter), b. 1843 · New York, D. Van Nostrand · leaf 138
137 Fig. 131 shows a diagram of the system which cuts any lamp out of the circuit, without affecting the other lamps. X and Y are the two ter- minals of the lamp, II the solenoid for regulating the arc, and T the electro- magnet of the cut-off. This electro-magnet is wound with two wires; one … Kl<i. 128. not shown, is of fine wire placed in the same derived circuit as the fine wire of the solenoid ; the other, short and thick, leading from X to X by B and R, but interrupted at M. \\ hile the current is normal, the cur-
International Electrical Congress, Paris, 1881
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