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Azimuth sighting instrument
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.
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Object Details
| ID: | ACO0618 |
|---|---|
| Type: | Azimuth sighting instrument |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | circa 1938 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 127 mm x 50 mm x 215 mm |
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