

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