Ivory backed mercury thermometer by John Bleuler of London, 1785-95. The reverse of the scale is engraved with the bath temperature of various spas. Not in original case.
Details
- Category:
- Heat
- Object Number:
- 1977-554
- Materials:
- ivory, brass (copper, zinc alloy), glass and mercury
- Measurements:
-
overall: 20 mm x 205 mm x 17 mm, , .02kg
- type:
- thermometer (mercury)
- credit:
- Sotheby's
