Gunner's rule in ivory and brass
- maker:
- W Harris and Company
Gunner's rule in ivory and brass, four-fold, plus ivory scale for spherical case shot signed I.E. Henson and dated 28 January 1818, both by William Harris & Co., 50 High Holborn, in sharkskin etui
Details
- Category:
- Mathematics
- Object Number:
- 1986-423
- Measurements:
-
case: 21 x 177 x 30 mm
scale: 1.5 x 155 x 24 mm
rule - closed: 12 x 165 x 26 mm
- type:
- drawing instruments and military scales
- credit:
- Sotheby's (New Bond St)