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Popular Mechanics Co.

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

Grasp the pack between your thumb and finger
tightly at first, and by gradually loosening your hold the card
previously shown to the audience will slowly rise out of the pack.
--Contributed by Tomi O'Kawara, San Francisco, Cal.

** Sliding Box Cover Fastener [256]
[Illustration: Box with Fastener]
While traveling through the country as a watchmaker I found it
quite convenient to keep my small drills, taps, small brooches,
etc., In boxes having a sliding cover. To keep the contents from
spilling or getting mixed in my case I used a small fastener as
shown in the accompanying illustration, The fastener is made of
steel or brass and fastened by means of small screws or tacks on
the outside of the box. A hole is drilled on the upper part to
receive the pin that is driven into the sliding cover. This pin
should not stick out beyond the thickness of the spring, which is
bent up at the point so the pin will freely pass under it. The pin
can be driven through the cover to prevent it from being pulled
entirely out of the box.
--Contributed by Herm Grabemann, Milwaukee, Wis.

** How to Chain a Dog [257]
A good way to chain a dog and give him plenty of ground for
exercise is to stretch a clothesline or a galvanized
[Illustration: The Dog Has Plenty of Room for Exercise]
wire between the house and barn on which is placed a ring large
enough to slide freely.


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