polariscope parts?
Date: 1875-1925
Inventory Number: 1998-1-0885
Classification: Polariscope
Dimensions:largest bracket: 10.8 × 6.5 × 1.9 cm (4 1/4 × 2 9/16 × 3/4 in.)
Description:
These were found together in the Collection:
6 V-shaped brackets with pierced tips (for attaching a wire across the gap?). Two of the brackets have long threaded bolts mounted in blocks. The heads of the bolts are knurled in a straightwise fashion.
1 mirror from a Norremberg-style polariscope
2 rectangular aperture stops with a hinge on the side. One face is blackened on each. This is a matched pair; not identical.
1 block of black bakelite or hard rubber with three screws.