I recently repaired this clock. The movement was ugly to start with, because a previous repairer had soldered bushings to the front and rear escape wheel pivot holes (see slide show below). The pivots were bent in the process.
I removed the unsightly bushings, removed the solder and straightened the bent pivots. The pivots were polished, the worn trundles on three pinions replaced, and the necessary bushings installed (I use KWM size American made bushings, friction fit). I made and installed new click rivets, and replaced the unreliable brass clicksprings with spring steel wire.
Time mainspring is quite thin at 0.0168 inches, yet the escapement takes great motion (in the escapement closeup movie the clock is 7 days run down).
Movie of escapement and movement in case:
Slide show of movement before and after repair:
Repair job 4772.
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