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Horary quadrant by Henry Sutton
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Horary quadrant made by Henry Sutton, Threadneedle Street, London, 1658. Paper scale on brass with lead plumb bob
Horary quadrants are mathematical instruments that were used for time-telling. This quadrant has an almanac and scales for measuring degrees of altitude and making trignonometric calculations.
Details
- Category:
- Astronomy
- Object Number:
- 1889-50/1
- Measurements:
-
overall: 5 mm x 115 mm x 115 mm,
- type:
- horary quadrant
- credit:
- Taylor, C.P.