- Subject
- Telescopes
- Item type
- Object
- Makers
- Troughton
- Primary inscriptions
- "Troughton 107 London" engraved on index arms
- Object type
- Telescope
- Dimensions
- Diameter: 268mm Height: 350mm Width: 315mm Depth: 230mm Weight: 1.8kg
- Inventory No
- 83750
Description
Lattice frame supporting circular limb with fully divided but only partially graduated (160-0-160) silver (or platinum?) scale (cf Whipple example, Divided Circle fig. 106); horizon and index glasses, each with sets of shades; triple index arm with verniers, one with clamp and tangent screws.
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