Day or night telescope
This achromatic navigational telescope has a leather-covered barrel and a single brass draw tube. The other fittings are also brass and include an objective lens cap, a pivoted eyepiece cover and a sliding sunshade. The maker's name is inscribed on the draw tube - 'Dollond London' - as are the words 'Day or Night', indicating that the telescope was designed for use in all light conditions.
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Object Details
ID: | NAV1625 |
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Collection: | Astronomical and navigational instruments |
Type: | Day or night telescope |
Display location: | Not on display |
Creator: | Dollond & Aitchison |
Date made: | circa 1830 |
Credit: | National Maritime Museum, Greenwich, London |
Measurements: | Length: 534 mm (closed, with cap), 926 mm (fully extended); Diameter: 63 mm (barrel), 66 mm (max.) |
Parts: | Day or night telescope |