Gunner's quadrant
This gunner's quadrant is used to help determine the elevation of a gun barrel. It is fitted with a spirit level and the scale is marked to 90 degrees.
Vernier reads to 5'.
Spirit bubble level.
Identical to Q.14.
Fitted mahogany box.
Scale reads from 0-90 in half degrees.
Vernier reads to 5'.
Spirit bubble level.
Identical to Q.14.
Fitted mahogany box.
Scale reads from 0-90 in half degrees.
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Object Details
ID: | NAV1048 |
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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 |