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Gunner's quadrant
This is a gunners quadrant and is used to determine the elevation of a gun barrel. A spirit level is attached to the pivoting arm. A plumb bob and box are included.
Vernier and spirit bubble level.
Lead plumb bob and scale.
Fitted box.
Used in Gunnery to find the correct elevation of the barrel of a cannon or mortar so that the shot would reach the target.
Vernier and spirit bubble level.
Lead plumb bob and scale.
Fitted box.
Used in Gunnery to find the correct elevation of the barrel of a cannon or mortar so that the shot would reach the target.
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Object Details
| ID: | NAV1049 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Gunner's quadrant |
| Display location: | Not on display |
| Creator: | Sisson, Jeremiah |
| Date made: | circa 1770 |
| People: | Sisson, Jeremiah |
| Credit: | National Maritime Museum, Greenwich, London, Caird Collection |
| Measurements: | Overall: 15 x 390 x 120 mm |
| Parts: | Gunner's quadrant |