Reversing thermometer in wooden holder with lead shot inside, by Negretti & Zambra, London, 1877-78 (see note).
Details
- Category:
- Oceanography
- Object Number:
- 1911-228
- Materials:
- wood (unidentified), pine (wood), brass (copper, zinc alloy), galvanised iron, lead (shot), tin plated, glass, mercury and rope (possibly manilla hemp)
- Measurements:
-
overall: 55 mm x 340 mm x 58 mm, , .675kg
- type:
- thermometer, reversing and mercury thermometer
- credit:
- Admiralty Hydrographic Department