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Horary quadrant with Gunter projection
This is a horary quadrant marked with Gunter scales and a shadow square used for surveying. It closely resembles NAV1037. The object file for this instrument gives a date of circa 1675 though the scales and style suggest it was more likely to have been made in the 18th century.
Boxwood.
Scales and tables for stars, and for use as sundial.
Declination fo Sun.
Righ Ascension of Sun and stars.
Fitted with sights.
Boxwood.
Scales and tables for stars, and for use as sundial.
Declination fo Sun.
Righ Ascension of Sun and stars.
Fitted with sights.
For more information about using images from our Collection, please contact RMG Images.
Object Details
| ID: | NAV1040 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Horary quadrant with Gunter projection |
| Display location: | Display - ROG |
| Creator: | Unknown |
| Date made: | Late 18th century |
| Credit: | National Maritime Museum, Greenwich, London, Adams Collection |
| Measurements: | Overall: 5 x 135 x 135 mm |
| Parts: | Horary quadrant with Gunter projection |
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