Auction: Clocks, Watches & Scientific Instruments - 2447Location: MarlboroughDate / Time: July 25, 2009 10:00AM
Description:
Two-Tube Compensating Pendulum for a Standard Electric Time Master Clock, the seconds beating pendulum with 9 in. steel tubes, knurled regulating nut with index, frame, and rod, max lg. 45 1/2 in.
Estimate $100-200
Some very light surface rust on steel parts.