Auction: Clocks, Watches & Scientific Instruments - 2527MLocation: MarlboroughDate / Time: November 20, 2010 10:00AM
Description:
Three Cylinder Mercury Temperature Compensating Pendulum,by Waltham Clock Company, Waltham, Massachusetts, c. 1900, nickel and brass components and calibrated regulation nut with steel pointer, max. lg. 45 in.
This pendulum is illustrated on a Waltham No. 12 Regulator, see, Tran Duy Ly, American Clocks, Vol. 1, pp. 249.
Estimate $250-450