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SPIRIT OF DISCOVERY.

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_The Colosseum_.


The curious mechanism by which it is proposed to elevate the visiters at
this emporium of wonders, is as follows: A large bucket or tank of water
will be connected with a movable platform that any number of persons may
be placed in equilibrium with its fluid contents, and directly a
sufficient quantity of water is introduced to produce a preponderance in
the tank, the persons stationed on the platform will ascend.--_The
Atlas_.


_Spots on the Sun_.


An ingenious individual in Providence has very recently succeeded, by
means of a seven-feet telescope, constructed by himself, on a new
principle, in bringing the entire image of the sun into a darkened room,
upon a white screen, to the size of eight feet in diameter. He writes us
that his astonishment was great when he perceived that every spot now upon
the face of the sun, nine in number, was distinctly transferred to the