in diameter and 2 or 2-1/2 in. long, for a
handle, as shown in the sketch. The hairpin should be a very
[Illustration: Hairpin In Stick]
small size. To operate, simply insert the wire loop into the
cherry where the stem has been pulled off and lift out the seed.
--Contributed by L. L. Schweiger, Kansas City, Mo.
** A Dovetail Joint [29]
The illustration shows an unusual dovetail joint, which, when put
together properly is a puzzle. The tenon or tongue of the joint is
sloping on three surfaces and the mortise is cut sloping to match.
The bottom surface of the mortise is the same width at
[Illustration: Shape of Tenon and Mortise]
both ends, the top being tapering toward the base of the tongue.
--Contributed by Wm. D. Mitchell, Yonkers, New York.
** Base for Round-End Bottles [29]
The many forms of round-bottomed glass bottles used in chemical
laboratories require some special kind of support on which they
can be safely placed from time to time when the chemist
[Illustration: Base Made-of Corks]
does not, for the moment, need them. These supports should not be
made of any hard material nor should they be good conductors of
heat, as such qualities would result in frequent breakage.
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