Bozo-bozo

The Bozo-Bozo is generally a Instrument in Bois made of a notched handle with regular intervals, a Clou fixed at its end and of a propeller being able to turn around the nail.
Lorsque the user of Bozo-Bozo scrapes the machine using a stick out of wooden, the Vibrations are transmitted to the propeller in a rotation movement. The direction of rotation of the propeller can be control by pressure of the fingers on the axis. This revolving machine can become attractive when the user is enough skilful to put in rotation the propellers of 2 bozo-bozos by scraping one handle.

Source

G. David Scott, Control off the rotor one the notched stick, in American Newspaper off Physics, p. 465, vol. 24,1956.

External bonds

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