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Popular Mechanics Co.

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

Curve the cards, printed side
up, and place the ends between two
[Illustration: Card on Dryer]
corrugations at a convenient distance apart. They will thus be
held firmly while the air can circulate freely all around them.

** Preserving Key Forms [454]
After losing a key or two and having some difficulty in replacing
them, I used the method shown in the sketch
[Illustration: Key Forms Cut in Paper]
to preserve the outlines for making new ones. All the keys I had
were traced on a piece of paper and their forms cut out with a
pair of shears. When a key was lost, another could thus be easily
made by using the paper form as a pattern.
--Contributed by Ernest Weaver, Santa Anna, Texas.

** Renewing Typewriter Ribbons [454]
Roll the ribbon on a spool and meanwhile apply a little glycerine
with a fountain-pen filler. Roll up tightly and lay aside for a
week or ten days. Do not apply too much glycerine as this will
make the ribbon sticky--a very little, well spread, is enough. The
same application will also work well on ink pads.
--Contributed by Earl R. Hastings, Corinth, Vt.


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