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Sector
sector
Graduations: Upper and lower edge "Amsterdam" 1-12: "Ryneland" 1-12.
On upper surface, from top. "English" 1-12: "Inch" "Mer" 10-90: "D" 0-90: 0-60 "Chords": 10-76 "Sec": 0-10 "Lines": 12-4 "Poligons": 12-4 :"Poligons": 0-60 "Chords": 10-75 "Sec": 0-10 "Lines".
On reverse surface. 6-1 "French": "Cho" 0-90: 0-45 "Tangent": 10-75 "Tan": 0-90 "Sines": 0-60: 0-90.
Graduations: Upper and lower edge "Amsterdam" 1-12: "Ryneland" 1-12.
On upper surface, from top. "English" 1-12: "Inch" "Mer" 10-90: "D" 0-90: 0-60 "Chords": 10-76 "Sec": 0-10 "Lines": 12-4 "Poligons": 12-4 :"Poligons": 0-60 "Chords": 10-75 "Sec": 0-10 "Lines".
On reverse surface. 6-1 "French": "Cho" 0-90: 0-45 "Tangent": 10-75 "Tan": 0-90 "Sines": 0-60: 0-90.
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Object Details
| ID: | NAV0166 |
|---|---|
| Type: | Sector |
| Display location: | Not on display |
| Creator: | Tuttell, Thomas |
| Date made: | circa 1699 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | 5 mm x 320 mm x 80 mm |