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Polygonal telescope
This non-achromatic telescope has an octagonal mahogany barrel and a single brass draw tube. The other brass fittings include sliding eyepiece and objective lens covers. The telescope once belonged to Rear-Admiral Charles Steevens (1705-61), and is of a type commonly used on board ship in the 18th century.
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Object Details
| ID: | NAV1655 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Polygonal telescope |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | circa 1750 |
| People: | Steevens, Charles |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 362 mm; Diameter: 35 mm |
| Parts: | Polygonal telescope |