Symons earth thermometer

Symons earth thermometer, mercury-in-glass, sheath

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Symons earth thermometer, mercury-in-glass, sheath
Science Museum Group
© The Board of Trustees of the Science Museum

Symons earth thermometer, mercury-in-glass, sheathed, fahrenheit, by G. H. Zeal Ltd. of London, England. Thermometer supported by wax at bulb end, split cylinder spring at top with suspension fitting and two rubber rings. Marked Ref no. Met 21409 Mk2 MO 23437/64. Dated 1964. Scale 20 to 100

Details

Category:
Meteorology
Object Number:
1995-1086
Materials:
glass, mercury and textile
Measurements:
overall: 35.5 cm
type:
earth thermometer and mercury thermometer
credit:
Meteorological Office, Berkshire