
Gunner's quadrant and perpendicular, c. 1780.
- Made:
- circa 1780 in London
- maker:
- George Adams




Gunner's quadrant and perpendicular by George Adams the Younger, c.1780. This instrument was designed primarily to ensure that a cannon or mortar was elevated to the required angle. Quadrants were also used for navigational purposes to determine the altitude between some heavenly body and the horizon. George Adams (1750-1795), was instrument maker to George III, as his father was before him.
Details
- Category:
- Mathematics
- Object Number:
- 1975-179
- Materials:
- brass
- Measurements:
-
overall: 132 mm x 175 mm x 145 mm, 0.54 kg
- credit:
- Meteorogical Office