Four-prism spectroscope

Made:
1865-1875 in Paris
maker:
Jules Duboscq

four-prism spectroscope (only two prisms present), by J. Duboscq of Paris, France, c. 1870. It was used by the third Marquis of Salisbury, British Prime Minister four times between 1885 and 1902, an enthusiastic amateur scientist.

Details

Category:
Optics
Object Number:
1936-190
Materials:
copper (alloy), brass (copper, zinc alloy), iron, silver (metal) and glass
Measurements:
overall: 395 mm x 630 mm x 480 mm, , 14.15kg
type:
spectroscope and prism - optical
credit:
The Most Hon. the Marquess of Salisbury