Modern practice of the electric telegraph : a handbook for electricians and operators (1874)
Pope, Frank L., 1840-1895 · New York : D. Van Nostrand · leaf 48
Co., New York. THE MORSE, OR AMERICAN TELEGRAPHIC SYSTEM. 35 line. The line wire L first enters the lightning arresterX, and passes thence through the coils of the relay Mby the binding screws, 1, 2, and thence to the key K,main battery E, and finally to the ground at Gr. Thelocal circuit commences… … G Fig. 18. 59. Arrangement of a Way Station.—Fig. 18shows a plan of the instruments and connections at away station. The line enters at L, passes through thelightning arrester X (70), and thence through the relayM, key K, and back to the lightning arrester, andthence to the next station by the line…
Telegraph
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