I am very comfortable with clock repair but currently am involved in the restoration of two carriage clocks. Platform escapements are a bit new to me, and I would like any information on setting the frequency. I believe proper frequency should be near 18,000 beats. I have one that runs very slow and another that runs very fast. I can adjust the length of the hair spring. How much can I expect to change the beat with the spring adjustment? The rest of the restoration is straight foward it just the small parts I need to get used too.
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