Three-draw leather covered terrestrial telescope by Ross Ltd.
- maker:
- Ross Limited
Three-draw leather covered terrestrial telescope by Ross Ltd., London, dated 1911, for military use when observing signals. lacking dust/lens cap. wooden stands not found.
Details
- Category:
- Optics
- Object Number:
- 1984-341
- Materials:
- metal, brass (copper, zinc alloy), leather and glass
- Measurements:
-
overall: x 245 mm x , 63 mm,
- credit:
- Sotheby's