Clément

Clément

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Clément
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The Wave Pump -  This is a wave-driven drainage pump with no moving parts. It can cheaply be made of concrete and may be useful where the sea level is rising.

The Wave Pump - This is a wave-driven drainage pump with no moving parts. It can cheaply be made of concrete and may be useful where the sea level is rising.

le designer italien Bruno Munari

le designer italien Bruno Munari

David Shingler - Bird Drawing Machine

DAVID SHINGLER - Bird Drawing Machine It consists of a rotating arm on which is mounted a birdcage that contains two tiny birds. As the arm rotates, a stylus shoots out from time to time down and back up parallel to the arm, forming ellipses.

mes recherches scientifiques à propos du vélo

Four-man bicycle is powered by five chains and has brakes on both its wheels, The bike was built by Art Rothschild (top position) who broke three ribs while learning how to ride it. (Photo by Wallace Kirkland/Time & Life Pictures)

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(Partially) Solar Powered Motorhome - Page 10