4-prism Astronomical Spectroscope

Base plate for a four-prism spectroscope, roughly semi circular, with three legs.

Object Details

ID: AST0888
Collection: Astronomical and navigational instruments
Type: 4-prism Astronomical Spectroscope
Display location: Not on display
Creator: Unknown; Browning, John
Date made: 1870-1900; Unknown
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 140 in x 381 in x 345 mm