Polariscope with tourmalines etc, on stand, three

Polariscope with tourmalines etc, on stand, three levelling screws. The polariscope is a form of Wheatstone's Polar Clock, Hour Circle, 0 degree to 360 degrees in 1 degree vertical circle, 0 degree to 90 degrees in 1 degrees, by vernier to 5' two spirit levels fixed in base plate, Nicol eye piece with hour dial, Nicol and two circles adjusted by screw. In box, and with three legs in another box.

Details

Category:
Optics
Object Number:
1911-238
type:
polariscope
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical demonstration equipment
credit:
Admiralty Hydrographic Department

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