National Telegraphic Union · New York : N.T.U. · leaf 319
erience in the business, andhaving made many improvements, I am prepared to furnish INSTRUMENTS AND MATERIALSof the most approved construction. LEFFBRTS BROS. & MERRY, Office and Warerooms, No. 232 Pearl Street, NEW YORK, Manufacturers of American GALVANIZED SHEET IRON. TELEGRAPH WIRE Made… … 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 ofl , battery material, the results WmWIi/ililllIsl IP of defective insulation, its fra-…
Telegraph
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