Model 275 Slow Timekeeping

by Al Jones
(Williamsport, MD)

Ridgeway Fans:
We recently acquired a 1985 Ridgeway Model 275 Grandfathers clock with a cable driven movement.

It is in lovely condition and the chimes sound correctly. It has been running five minutes slow each day, despite multiple adjustments to the pendulum.

The second dial now appears to be running fast (against my stopwatch) but the second hand continually loses time.

The pendulum adjustment is moving the rods and I don't want to keep adjusting at this point unless I see some improvement.

So far, the pendulum adjustments don't appear to change the slow time keeping at all.

Could anyone offer me advice on a next step?

Any advice is definitely appreciated.