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Sinical quadrant
Sinical quadrant. This instrument is designed to measure the angle above the horizon of an object. It is also marked with a sinical scale on the reverse, enabling complex mathematical calculations to be simplified.
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Object Details
| ID: | NAV1044 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Sinical quadrant |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | circa 1650 |
| Credit: | National Maritime Museum, Greenwich, London, Rev. George Fisher Collection |
| Measurements: | Overall: 13 x 161 x 166 mm |