Evening Republican, Volume 23, Number 176, Rensselaer, Jasper County, 23 July 1920 — Close to Perpetual Motion. [ARTICLE]

Close to Perpetual Motion.

The nearest approach to perpetual motion was a clock constructed in 1774 by James Cox. a jeweler at Shoe lane, London. This dock kept the scientific world guessing for years. The energy that made it run was det rived from the changes in atmospheric pressure—a barometer was the sole motive power. Ferguson, the scientist, saw this dock; said it unquestionably would run until Its parts were out The last heard of it It had been sent as a gift to the Chinese emperor, from whom it later was stolen.