Jump sector
- Made:
- 1844
This image is released under a CC BY-NC-SA 4.0
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Science Museum Group
© The Board of Trustees of the Science Museum
Jump sector (watchmaker's proportional sector, 1844)
Details
- Category:
- Hand and Machine Tools
- Object Number:
- 1932-65
- type:
- jump sector
- credit:
- George Cussons Limited
