Ellsworth American. [volume] (Ellsworth, Me.) 1855-current, 1877-02-15
Vol. XIII. Whole No. 1908. No. 7.
The Telephone.

led at the Office OF The Boston Rubber Shoe
Company, on Congress street. 10 order tc
witness series of experiments performed
on the telephone between the inventor
Professor A. Graham Bell. here, and his
associate. Mr., Thomas A, Watson, at the
residence of Mr.. Converse, at Maiden
about six miles distant.
= Professor Bell had been invited by some
~ our most prominent citizens to give a
| practical demonstration of the most recent
| developments of an invention which, in
accordence with its name, has already
| sounded far and wide the fame ef the tel
! ephone.
| Before entering into the details of the
experiments performed on Wednesday, we
shall say something OF the nature of the
telephone, Its past, its future, ard its in-
ventor. vhe telephone, in its present
form, consists of powerful, compound.
permanent magnet, to the polls of which
are attached ordinary teleg raph coils of
insulated wire. In frost of the poles, sur
rounded by these coils of wire, is placed Il
diaphragm of iron. mouth piece to con.
verge the sound upon this diaphra Gun SUBJ
stantially completes the arrangement. e.
IL well known, the motion of steel or iyon
front OF the poles of magnet creates il
current of electricity In coils surrounding
the poles of the magnet, and the duration
of this current of electricity comedies with
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