Small hygrometer surrounded by circular temperature scale in degrees Fahrenheit and Reamur

Made:
1801-1900 in London
Small hygrometer surrounded by circular temperature scale in

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Small hygrometer surrounded by circular temperature scale in
Science Museum Group
© The Board of Trustees of the Science Museum

Small hygrometer surrounded by circular temperature scale in degrees Fahrenheit and Reamur (thermometer missing). Made by Houliston, 7 Charles Street, Hatton Garden, London, England, 1801-1900. For use of travellers to detect damp beds. Wellcome No. B956.

Details

Category:
Heat
Object Number:
1980-190
Materials:
ivory and paper (fibre product)
Measurements:
overall: 25 mm x 90 mm, 0.053kg
type:
hygrometer
credit:
Wellcome Institute