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| Brad had a vintage watch for repair that needed a new mainspring but instead of ordering a mainspring we decided to try to use what we had at hand so he found the correct size mainspring but with a regular bridle, took some mainspring material shaped as a slipping bridle and drilled the hole for the rivet through both the rivet and the bridle at the same time. |
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Drilling the mainspring and bridle
Bridle riveted together with mainspring
New mainspring on top and old on the bottom
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