Mariner's quadrant
Mariner’s quadrant with an engraved scale along the circular edge of the instrument, from 0° to 90° by 1°. Every five degree line has been extended to the apex of the instrument.
A polished brass quarter circle with two sights on the right-hand edge. The back of the instrument is blank apart from a thinly engraved circle with a diameter of 108 mm. The plumb bob is probably a later replacement
A polished brass quarter circle with two sights on the right-hand edge. The back of the instrument is blank apart from a thinly engraved circle with a diameter of 108 mm. The plumb bob is probably a later replacement
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Object Details
ID: | NAV1053 |
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Collection: | Astronomical and navigational instruments |
Type: | Mariner's quadrant |
Display location: | Not on display |
Creator: | Unknown |
Date made: | circa 1600 |
Credit: | National Maritime Museum, Greenwich, London. Caird Fund. |
Measurements: | Overall: 10 mm x 180 mm x 250 mm |