Circular slide rule in pocket-watch format
- maker:
- William Ford Stanley
This image is released under a CC BY-NC-SA 4.0
Licence
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Science Museum Group
© The Board of Trustees of the Science Museum
Boucher calculator, a circular slide rule in pocket-watch format, made by Stanley, Great Turnstile, London, B4363, A222083
Details
- Category:
- Mathematics
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1989-655
- Measurements:
-
overall: 17 x 55 x 75 mm
- type:
- circular slide rule
- credit:
- On loan from the Wellcome Trust
