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Modern practice of the electric telegraph : a handbook for electricians and operators (1874)
Pope, Frank L., 1840-1895 · New York : D. Van Nostrand · leaf 176
for Sample Card and Price List. (ESTABLISHED 1820) mm& 58 V OBEinTA Hill (Below Green Street,) MANUFACTURERS OF mlmt®€ W1p© ^1 B5P OFFICE WIRE, PLAIN, BRAIDED, PREPARED, &c. INSTRUMENT WIRE, COTTON AND SILK COVERED, FLEXIBLE CORDS, ALL KINDS, etc., etc., etc. We warrant all wire to be of…Telegraph
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