Polariscope (c.1840-50)
- Made:
- 1840-1850
Polariscope (c.1840-50), by A.PRITCHARD, 263 STRAND LONDON, Thin glass plates which are attached to a small black mirror, light diffused through a piece of ground glass, objects viewed through nicholls prism mounted in a tube held in the hand. 12 objects, selenite mounted in mahogany case