Early form of direct vision pocket spectroscope in cylindrical brass case

Early form of direct vision pocket spectroscope in cylindrical brass case

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Early form of direct vision pocket spectroscope in cylindrical brass case, by Adam Hilger, London, 1874-1885.

Details

Category:
Optics
Object Number:
1928-905
Materials:
brass (copper, zinc alloy), glass and cork
Measurements:
spectroscope: 40 mm 14 mm,
case: 46 mm 15 mm,
overall weight: .039kg
type:
spectroscope - direct vision
credit:
Court, Thomas Henry