Daniel's dew point hygrometer

Made:
1891 in London
maker:
John Frederick Newman
SMG00002753

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SMG00002753
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Daniel's dew point hygrometer, without stand, made by J. Newman, London, marked (dated?) 6 X 91 (made 1891?)

Details

Category:
Meteorology
Object Number:
1995-936
Materials:
glass, bone and textile
Measurements:
overall: 13 x 10 cm
type:
hygrometer
credit:
Meteorological Office, Berkshire