Abney type colour photometer with rotating sector apparatus by Adam Hilger

Made:
1888 in London
maker:
Adam Hilger

Abney type colour photometer with rotating sector apparatus by Adam Hilger, London, 1888. commercial version of photometer used by Sir William de Wiveleslie Abney and Major-General E. R. Festing in their researches.

Details

Category:
Optics
Object Number:
1888-176
type:
photometer
credit:
Hilger, Adam