I went througha similar problen recently. I did the things I was told about leveling the case first. Just lay a small level in the botttom of the cast both side to side and front to back. Next insure ...
I have a Janch movement in a wall clock (3 springs).
I can't get the pendulum to continue swinging. It only swings for 15-20 seconds then stops. If I remove the pendulum from the clock. the crutch ar ...