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Show OWN WEIGHT MOTIVE POWER New French Timepiece la Operated by Force of Gravity and Has No Springs. Paris. A clock has Just been put on tho markot in Franco which usos its own weight as its motlvo power. It Is called tho gravity clock. It has no springs, but tho clock Itsolf slides down two uprights, tho sliding process setting in motion tho wheels that turn tho hands. It tnkes tho clock Just seven days tq descend, and it is wound up by slm Clock Runs by Own Weight. ply raising it again to tho top of its supports. Having no springs, its mechanism Is of tho simplest; henco It Ib posslblo to mnko it so accurato that it will keep perfect tlmo; and this is Just what its patoutco claims for it. |