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Jackernapes I like this

Jackernapes is a 20 year old guy from California, USA.
Three Port Two Way Normally Close Valve
Sep 5, 2007 10:01pm    (1 review)  science, gadgets, engineering, mechanical, spatial-resoning  http://www.mekanizmalar.com/parallel_gui...
cool mechanism demonstrations, dunno what the ultimate purpose is, but fun for the mechanical minded!
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