Horary quadrant by Henry Sutton
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.