Part of stereo projector comparator, British, 1915
- Materials:
- leather , brass (copper, zinc alloy) , glass , aluminium (metal) , cotton thread and steel (metal)
- Object Number:
- 1931-269/1
- type:
- instrument component and stereo-comparator
Stereo-projector comparator in leather case and 12 slide rails by W. Watson & Sons Limited, 313 High Holborn, London, England, 1915.