Mercury immersion thermometer made
- maker:
- G. & B. London
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