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Balloon theodolite by E.R. Watts & Son
- Made:
- 1917
- maker:
- E. R. Watts & Son
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Balloon theodolite by E.R. Watts & Son, pat.no.114036, 1917, Mark B, MO 217
Details
- Category:
- Meteorology
- Object Number:
- 1995-1914
- Measurements:
-
overall: 31 x 20 x 21 cm
- type:
- balloon theodolite
- credit:
- Meteorological Office