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Pocket telescope
This Galilean telescope is made of brass, although the covering from the barrel is now missing. It has a single draw tube and a sliding eyepiece cover. The objective lens cap is now missing. The stop line is marked on the draw tube, which also has the maker's name inscribed as 'Jas Long Royal Exchange London'. This is James Long, who is known to have been working in London in the period 1781–1811.
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Object Details
| ID: | TOA0099 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Pocket telescope |
| Display location: | Not on display |
| Creator: | Long, Jas; Long, James |
| Date made: | circa 1800 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 100 x 37 mm |
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