Mercury barometer, made by J. Ronchetti, Manchester, c. 1820, and used by John Dalton. A simple siphon barometer with a characteristic bulb in the short arm of the siphon.

Details

Category:
Scientific Instruments & Research
Object Number:
Y1997.6.40
Materials:
wood (unidentified), mercury and glass
Measurements:
overall: 102 mm x 892 mm,
type:
mercury barometer