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TOC
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with the voice, slow, quick; with a
trumpet, which a servant who was with
me sounded; with a pistol, and a mus-
quet, and always found, agreeable to the
doctrine of echos, that the more quick
and violent the percussion of the air was,
the more numerous were the repetitions;
which upon firing the musquet, amount-
ed to upwards of fifty, of which the
strength seemed regularly to diminish, and
the distance to become more remote.
Such a musical canon might be con-
trived for one fine voice here, according
to father Kircher's method, as would
have all the effect of two, three, and
even four voices. One blow of a ham-
mer produced a very good imitation of
an ingenious and practised footman's
knock at a London door, on a visiting
night. A single ha! became a long
horse-laugh; and a forced note, or a
sound overblown in the trumpet, became
the most ridiculous and laughable noise
imaginable.
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