$444
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.
Auctioneer:
Skinner
Date:
2010-11-20