Walferdin minimum thermometer, without markings

Made:
1800-1899

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

Details

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