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Popular Mechanics Co.

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

Remove the belt
and replace with a longer one, which can be made of narrow braid
or a number of strands of yarn. The new belt should be long enough
to allow crossing it, thus reversing the machine. This reverses
every sound on the record and changes it to such an extent that
very few words can be recognized.

** How to Make a Cup-and-Saucer Rack [105]
The rack is made of any suitable kind of wood, and the sides, A,
are cut just alike, or from one pattern. The shelves are made in
various widths to fit the sides at the places where they are
wanted. The number of shelves can be varied and to suit the size
of the dishes. Cup hooks are placed on top and bottom shelves. It
is hung on the wall the same as a picture from the molding.
--Contributed by F. B. Emig, Santa Clara, Cal.
[Illustration: Cup-and-Saucer Rack]
Reversing a Small Motor [105]
All that is necessary for reversing the motor is a pole-changing
switch. Connect the two middle posts of the switch with each other
and the two outside posts with each other. Then connect one of the
outside posts of the switch to one brush of the motor and one
middle post to the other brush.


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