Ramsden's mother-of-pearl dynameter

Made:
1850
maker:
Troughton and Simms Limited
and
Jesse Ramsden

Ramsden's mother-of-pearl dynameter, as made by Troughton & Simms, about 1850

Details

Category:
Optics
Object Number:
1918-150
type:
dynameter
credit:
Court, Thomas Henry