Gunter quadrant, maker unknown, made in England, 1650-1725.
Gunter quadrants are mathematical instruments that were used for basic astronomical calculation and time-telling. This quadrant has a scale for measuring altitude in degrees, Gunter’s trignonometric scale for making calculations and a shadow square.
Details
- Category:
- Astronomy
- Object Number:
- 1938-386
- Materials:
- brass
- Measurements:
-
overall: 5 x 121 x 121 mm
- type:
- gunter quadrant
- credit:
- Mr W.E. Miller