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82 MODERN MAGIC LANTERNS.
third free for the introduction of a fresh change or addition
to what is already on the screen. Space will not admit of
our going more at length into the matter of these effects,
which, at one time the only use to which the lantern was
put, have now been to no small extent superseded by what
some people would regard as less frivolous displays.
CHAPTER XIV.
Lantern ENperinients.
THE form of lantern described in the foregoing pages
is in itself suitable for many experiments, but, with cer-
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Fig. 60. LANTERN FOR EXPERIMENTAL PURPOSES.
tam n modifications, can be employed to render visible to a
large audience a far greater number. The chief alteration
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