Walferdin minimum thermometer, without markings

PART OF:
5 Walferdin thermometers
Made:
1800-1899
Walferdin thermometer (overflow type)

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Walferdin thermometer (overflow type)
Science Museum Group
© The Board of Trustees of the Science Museum

Walferdin thermometer (overflow type), minimum thermometer; no markings. Wellcome No. B921

Details

Category:
Heat
Object Number:
1980-208/4
Materials:
glass, brass (copper, zinc alloy), pine (wood), felt, leather and mercury
Measurements:
overall (case): 20 mm x 348 mm x 26 mm, 0.072kg
type:
thermometers