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The Magic Dance








From the middle of the brass arch suspend three small bells. The two
outer bells hang by chains, and the middle one by a silk string, while
a chain connects it with the floor. Two small knobs of brass, which
serve as clappers, hang by silk strings, one between each two bells.
Therefore, when the two outer bells communicating with the conductor
are electrified, they will attract the clappers and be struck by them.
The clappers being thus loaded with electricity, will be repelled, and
fly to discharge themselves upon the middle bell, after which they
will be again attracted by the outer bells; and thus, by striking the
bells alternately, the ringing may be continued as long as the
operator pleases.

You next suspend a plate of metal from the same part of the arch to
which the bells are connected; then, at the distance of a few inches
from the arch, and exactly under it, place a metal stand of the same
size. On the stand place several figures of men, animals, or what you
please, cut in paper, and pretty sharply pointed at each extremity.
When the plate that hangs from the arch is electrified, the figures
will dance with astonishing rapidity, and the bells will keep ringing,
to the no small entertainment of the spectators.





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