- Subject
- Calculation
- Item type
- Object
- Makers
- John Rowley
- Provenance
- Lent by Christ Church, Oxford in 1925.
- Primary inscriptions
- Signed, "I: Rowley. fecit:"
- Object type
- Sector
- Dimensions
- Height: 0.8cm Width: 24.2cm Depth: 5.2cm Weight: 0.2kg
- Inventory No
- 23106
- Accession Number
- 1925-43
Description
English 9-inch Gunter's sector
Ivory and silver. Signed, "I: Rowley. fecit:". Undated; c.1700.
There are scales for Sin[es], Tan[gents], Cho[rds], Sec[ants], Lin[es], Num[bers] and Poll[ygons].
