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Popular Mechanics Co.

"The Boy Mechanic: Volume 1 700 Things for Boys to Do"

This he does, the sack is again examined and
found to be the same as when it was first seen.
[Illustration: Sack Trick-Holding the Rope Inside the Bag]
The solution is when the assistant enters the bag he pulls in
about 15 in. of the rope and holds it, as shown in Fig. 3, while
the committee is tying him up. As soon as he is in the cabinet he
merely lets out the slack thus making enough room for his body to
pass through. When he is out of the bag he quickly unties the
knots and then steps from his cabinet.
--Contributed by J. F. Campbell, Somerville, Mass.

** The Invisible Light [251]
The magician places two common wax candles on a table, one of them
burning brightly, the other without a light. Members of the
audience are allowed to inspect both the table and the candles.
The magician walks over to the burning candle, shades the light
for a few seconds, turns to the audience with his hands a few
inches apart, showing that there is nothing between them, at the
same time saying that he has a light between his hands, invisible
to them (the audience), with which he is going to light the other
candle.


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