History, theory, and practice of the electric telegraph (1866)
Prescott, George B.(George Bartlett),1830-1894 · Boston, Ticknor and Fields · leaf 175
RNES ELECTRO-THERMAL TELEGRAPH. This system applies a new principle in electro-dynamics.The electric current, instead of being used to produce magnetism,as we have seen in the Morse, House, and Hughes inventions, orto decompose salts, as we have seen in the Bain, is employed inthis instrument to… … work, designed to carry along strips of paper at a uniform rate ofspeed. Above the clock-work are two pillars, supporting anaxis, upon which is the adjustable wire-holder, the lower extrem-ity of which touches the strip of paper. By means of the con- HORNES ELECTRO-THERMAL TELEGRAPH. 157 nections…
Telegraph
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