Plotting rule by E.R. Watts & Son London
- maker:
- E. R. Watts & Son
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
Plotting rule by E.R. Watts & Son London, marked H O [arrow] 221, cased.
Details
- Category:
- Meteorology
- Object Number:
- 1997-1440
- Measurements:
-
rule: 46 cm
- type:
- plotting rule
- credit:
- Meteorological Office
