Callipers by Thomas Wright, early 18th century.
- Made:
- early 18th century in London
- maker:
- Thomas Wright
Gunner's calipers, by T.Wright
Gunner's callipers by Thomas Wright, early 18th century. The callipers can be used as shown to measure the diameter of cannon balls, or with crossed arms to measure the bore of a cannon. The arms are inscribed with tables containing information relating to artillery.
Details
- Category:
- Mathematics
- Object Number:
- 1940-71
- Materials:
- brass (copper, zinc alloy)
- Measurements:
-
Overall: 130 mm x 170 mm x 5 mm, 0.085 kg
- type:
- calliper (gunnery)
- credit:
- Sotheby and Compan