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THE BAZOOMER or HUMBUZZER
This home-made instrument is called either a bazoomer or a
humbuzzer. Both names give pretty good descriptions of the
musical tones it produces.
It consists of a cardboard cylinder, which may be a card-
board mailing tube or a tube of the kind that comes inside a
roll of paper towels. It should be about 10 inches long and
have about a 3-inch diameter, although the dimensions are not
Punch four or five small holes through the tube about V/z
inches from one end, or else arrange these holes in a line, as on
a fife. Then cover the end with a square of waxed paper, held
in place by string or a rubber band.
Now hum a tune into the open end and see what happens.
The instrument will increase the sound volume to quite an
amazing degree and give it a resonant, booming quality. By
covering the holes with your fingers, you can produce different