Day or night telescope
This achromatic telescope has a wooden barrel and two brass draw tubes. The other brass fittings include a sliding eyepiece cover, an objective lens cap with a sliding cover and a sliding sun shade. An inscription on the smallest draw tube names the maker and telescope type - 'Ramsden London. Day or Night'. In addition, 'VII' in roman numerals is roughly inscribed inside the eyepiece assembly, presumably as part of the manufacturing process.
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Object Details
ID: | ZBA5914 |
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Type: | Day or night telescope |
Display location: | Not on display |
Creator: | Ramsden, Jesse |
Date made: | circa 1800 |
Credit: | National Maritime Museum, Greenwich, London |
Measurements: | Length: 380 (closed); 915 (fully extended); Diameter: 63 (barrel); 65 (max) |