Mercury Racking Thermometer by Dallaway, 1799-1809
- maker:
- Dallaway, Joseph James
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Mercury racking thermometer in leather-covered wooden case by Joseph James Dallaway, (fl.1799-1809), London, England. The thermometer bulb can be racked below the brass scale for immersion in liquid. Scale in degrees Farenheit. Label claims that it was owned by George Cadogan, Glasgow (1754-1798).
Details
- Category:
- Heat
- Object Number:
- 1978-99
- Materials:
- brass (copper, zinc alloy), mercury, glass, wood (unidentified), leather, velvet, paper (fibre product), hair and silk
- Measurements:
-
overall (in case): 20 mm x 206 mm x 41 mm, , .1kg
- type:
- thermometer and mercury thermometer
- credit:
- Mr Peter Delehar
