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Why not PUPPY POWER
I read this in Ripleys Believe it or Not.
In England during the 1400's, terriers were trained to run inside revolving cages to turn a crank that in turn, turned the spit over the fire.
Here's another
In 1875, a Frenchman named Guitu invented the cynosphere, a tricycle that could go up to six miles per hour - powered by two dogs running inside the back wheels.
Believe it or not!
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