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Polygonal telescope
The tapering decagonal barrel of this achromatic telescope is made of mahogany and has four copper hoops around it. There is a single brass draw tube. The telescope is said to have been used in the old South Foreland Lighthouse.
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Object Details
| ID: | NAV1630 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Polygonal telescope |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | circa 1780 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 1225 mm; Diameter: 62 mm x 1.35 kg |
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