National Telegraphic Union · New York : N.T.U. · leaf 285
S AND Calvanic Batteries of all kinds. Wholesale and Retail Dealer in Telegraph Supplies, etc. A. S. CHUBBUCK, UTICA, N. Y., Inventor of the Pony Sounder, Register and Key, MANUFACTURER AND DEALER IN ALL KINDS OF TELEGRAPHIC INSTRUMENTS. Batteries, and all kinds of Telegraphic Supplies, constantly… … All varieties of Insulatorsmanufactured at these Worksare warranted to excel theusual style of Glass and Rub-ber more than one hundredfold. In view of the errorand delay in transmission,waste and consumption ofbattery material, the resultsof defective insulation, its fra-gile nature and expense of…
Telegraph
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