File:Balance Wheel in Early Watch Berthoud.png
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Balance_Wheel_in_Early_Watch_Berthoud.png (464 × 366 pixels, file size: 37 KB, MIME type: image/png)
Summary
Illustration of a balance wheel in an early watch, by Ferdinand Berthoud. Alterations: Detail cropped from drawing showing entire watch disassembled.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:22, 9 January 2017 | | 464 × 366 (37 KB) | 127.0.0.1 (talk) | <p>Illustration of a balance wheel in an early watch, by Ferdinand Berthoud. Alterations: Detail cropped from drawing showing entire watch disassembled. </p> |
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