Instructions for testing telegraph lines and the technical arrangements of offices (1878)
Schwendler, Louis, 1838-1882 · London : Trèubner · leaf 162
9 the arriviDg current reaches its maximum strength, andthe condenser becomes fully charged, no more currentcan pass into the condenser C, and the full strength ofthe arriving current is thrown through the relay R, pro-ducing a signal with a clearly-defined beghming. Theaction at the end of the… … rent through the relay II in the working direction; butthe extra current of de-magnetisation arrests this current,and, owdng to its great power (on account of the mecha-nical arra^ngement, i.e., number of convolutions), neu-tralises the remainino; orig-inal charo;e in the condenser,and finally…
Telegraph · Telegraph lines
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