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Gunner's quadrant
This gunner's quadrant is used to help determine the elevation of a gun barrel. A spirit level is incorporated into the pivoting arm.
Vernier and spirti bubble level.
Fitted case.
Scale reads from 0-90 in half degrees.
Vernier reads to 5'
Geometrical square in apex.
Identical to Q.23.
Vernier and spirti bubble level.
Fitted case.
Scale reads from 0-90 in half degrees.
Vernier reads to 5'
Geometrical square in apex.
Identical to Q.23.
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Object Details
| ID: | NAV1041 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Gunner's quadrant |
| Display location: | Not on display |
| Creator: | Adams, George |
| Date made: | circa 1770 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 18 x 470 x 174 mm |
| Parts: | Gunner's quadrant |