History, theory, and practice of the electric telegraph (1866)
Prescott, George B.(George Bartlett),1830-1894 · Boston, Ticknor and Fields · leaf 29
e. The first fine constructed in the United States was put in op-eration in the month of June, 1844, between Washington andBaltimore. The next year it was continued to New York andBoston, and in 1846 to Buffalo and Harrisburg. The succeedingyear a line was constructed between Buffalo and Montreal,… … PART I. PRELIMINARY NOTIONS. CHAPTER I. ELECTRICAL MANIFESTATIONS. By the friction of two bodies of different natures, they acquirea remarkable quality of attracting light substances, such as smallfragments of paper, small balls of elder-pith, feathers, &c, whenplaced in their vicinity. This…
Telegraph
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