Wheatstone's Helio-Chronometer, 1876-1899
Sir Charles Wheatstone's Helio-chronometer, Elliott Brothers, London, England, 1876-1899. The time is given by hour and minute hands when an image of the sun falls on a system of concentric circles.
- Measurements:
-
overall: 270 mm x 200 mm x 130 mm,
- Materials:
- brass (copper, zinc alloy) , metal (unknown) , alcohol and glass
- Object Number:
- 1921-816/1
- type:
- helio-chronometer
