- Subject
- Measurement
- Item type
- Object
- Makers
- John Rowley
- Provenance
- Lent by Christ Church, Oxford in 1925.
- Primary inscriptions
- Signed "I Rowley Fecit"
- Object type
- Rule
- Dimensions
- Height: 0.4cm Width: 25cm Depth: 3.7cm Weight: 0.05kg
- Inventory No
- 47160
- Accession Number
- 1925-43
Description
English gunnery scale or rule for use by artillery. Ivory, with silver cursor. Signed "I Rowley Fecit"; undated; c.1700.
The rule includes scales of elevation and distance for mortars, and the quantity of powder needed (from 13 oz. for a 6-inch mortar, to 31 lb. 4 oz. for a 20-inch mortar), together with scales marked,
"Height of Pieces ...
Powder for Proof ...
Powder for Service ...
Weight of Shott ...
Long Guns".
