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Sector
Label text in note book field
Graduations: On upper surface: 10-1: 9-1: "Rum" 0-8: 0-90 "Sin": 45-75 "tan": 0-45 "Tan": 0-90 "Sin": 45-75 "tan": 0-45 "Tan": "Lon" 60-0:9-45 "Tan": 9-90 "Sin": 1-10 "Num": On reverse surface 5-0: "InMe" 0-90: "Cho" 0-90: "Sin" 0-90: 0-10 "Lin": 10-75 "Sec": 0-60 "Cho": 0-10 "Lin": 10-75 "Sec": 0-60 "Cho": "Tan" 0-45: "Lat" 0-90: HOU" 0-6: 4-9.
Folding rule ungraduated.
Graduations: On upper surface: 10-1: 9-1: "Rum" 0-8: 0-90 "Sin": 45-75 "tan": 0-45 "Tan": 0-90 "Sin": 45-75 "tan": 0-45 "Tan": "Lon" 60-0:9-45 "Tan": 9-90 "Sin": 1-10 "Num": On reverse surface 5-0: "InMe" 0-90: "Cho" 0-90: "Sin" 0-90: 0-10 "Lin": 10-75 "Sec": 0-60 "Cho": 0-10 "Lin": 10-75 "Sec": 0-60 "Cho": "Tan" 0-45: "Lat" 0-90: HOU" 0-6: 4-9.
Folding rule ungraduated.
For more information about using images from our Collection, please contact RMG Images.
Object Details
| ID: | NAV0157 |
|---|---|
| Type: | Sector |
| Display location: | Not on display |
| Creator: | Sisson, Jonathan |
| Date made: | circa 1730 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 3 mm x 120 mm x 32 mm |
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