sed in telegraph batteries. A cylinder of distant battery, so as to convey to those who the temporary induction of a piece of soft iron end of a copper wire is attached to the end zinc and a thin plate ofcopper or platina, se- were not acquainted with it a clear idea of the with magnetism, by the… … York, and the electro magnet, D, actuates the per wire to the zinc cylinder. It is attach. pen-lever to produce the characters we have ed to the wire of the battery by a me- described, which are put together to make &c., may form part of it. The battery A, and words, and the words then put together…
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