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Description: | This sight consists of an open rectangle with a cross bar at centre. This crossbar holds a brass stud which fits into the centre boss of the compass. The folding back sight has a slit and moveable spy hole. The folding fore sight is an open arch with thread. There is a spirit level at its base and a celestial reflector in front of it. There is a thread running down the fore sight and along the open rectangle. There are three brass pegs on underside.
A. Inscription : R.2117
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | azimuth instruments azimuth sights Azimuth | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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