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American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)

Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 252

An illustration from American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation, 1909, leaf 252
hout interruption. Fig. 168 is supposed to represent the conditions at the moment of putting theline to earth at x. The action of the condenser may be considered practically instantaneous; before itscurrent of discharge ceases to affect the relay, or simultaneously with such cessation, theline… … 100- Y INSTANT OF STATIC DISCHARGE. direction being such, again, that it flows in the main line coil in the same direction aroundthe core as the current from the condenser had just been circulathig. If it should seemto the reader that the act of cancelling, or nullifying, the current on the main…

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