WATER WHEEL CLOCK ATTR. PLACHON. This clock has a glass dial, Brocot escapement and a three wheel train driven by the steel balls in the right hand side of the paddle wheel which is connected to the center wheel. The balls, after leaving the paddle wheel, are guided to the base of an elevator consisting of a series of buckets which lift the balls so that they may once again be placed on the top of the paddle-wheel. The buckets are driven by two concealed springs in the base acting in tandem. In the center of the elevator is a thermometer and above 12 o'clock an aneroid barometer. Bronze mounted rosewood base and in a glass enclosed display case (not shown). An example of this clock was shown in the Exposition Universelle of 1900. 18"W x 21"H x 5.5"D. Estimated Value $15,000 - 25,000.