Swatch Group has patented a method for measuring the torque of a balance spring in a timepiece oscillator. The method involves using a main tool with a mock arbor and a holding tool to grip the outer ...
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Simple Test To Measure Balance
This article is a transcribed edited summary of a video Bob and Brad recorded in February of 2024. For the original video go to https://youtu.be/49139ljPAUM Mike ...
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