Mercury immersion thermometer made

Made:
1950-1989 in London
maker:
G. & B. London
Mercury nitrogen-filled immersion thermometer

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Mercury nitrogen-filled immersion thermometer
Science Museum Group
© The Board of Trustees of the Science Museum

Mercury nitrogen-filled immersion thermometer, with brass collared sleeve, measuring in the range 20-230 degrees Fahrenheit, made by G. & B. London, and supplied by B. Black and Son Limited, London, 1950-1989

Details

Category:
Heat
Object Number:
1997-1495
Materials:
mercury, glass, brass (copper, zinc alloy) and plaster
Measurements:
overall: 275 mm x 5 mm, 0.034kg
type:
mercury thermometer
credit:
British Gas plc