Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 710
ter invented by •■. II. Born before applied to the telegraph, namely, the heating or igniting effect of i I when an electrical cur- rent flows through a fine platinum wire it ignites it, or brings it to a re I heat If this wire is bent, asat A, in the figure below, bo a< to I •■, for a Bhort… … This instnrment is shown in greater part of whi i of the clock-wort, spool, Ac, required for moving the paper. Above the clock-work are two pillars, supporting an axis, upon which mity of which i- -. i u touching the fillet of pap< r.of the pillars, axis and wire-holder, the platinum wire,…
Mechanical engineering
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