Posted by Joel Wright (205.188.208.9) on August 05, 2003 at 18:51:42:
When the oiled cloth was stripped away, said Count Karl, he found himself gazing upon a very simple arrangement of weights and levers. Orffyreus explained that he had conceived a system whereby the weights one side of the wheel were farther from the axle than the weights on the other side of the wheel, creating an imbalance which caused the wheel to move. The secret, if there was a secret, lay in the ingenious manner in which the weights on the ascending side of the wheel were prevented from following their normal path next to the rim. Count Karl said that these weights were blocked by small pegs which swung back out of the way as the weight passed the zenith."