Balloon theodolite by E.R. Watts & Son, London, No

Made:
1940 in London
maker:
E. R. Watts & Son

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Balloon theodolite by E.R. Watts & Son, London, No. 20563, dated 18 June 1940, cased.

Details

Category:
Meteorology
Object Number:
1997-1416
Materials:
glass, metal and wood
Measurements:
theodolite: 25.4 cm
type:
balloon theodolite
credit:
Meteorological Office