English horary quadrant, 1650-1725

Brass Gunter quadrant with degree and trigonometric scales

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Brass Gunter quadrant with degree and trigonometric scales
Science Museum Group
© The Board of Trustees of the Science Museum

Brass Gunter quadrant with degree and trigonometric scales, engraved for latitude 51 1/2 degrees (? London) and Julian calendar, with soft leather case, A18549 (6 1/4-inch radius)

Details

Category:
Astronomy
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1986-1338
Materials:
brass and case, leather
Measurements:
overall: 8 x 160 x 160 mm
type:
horary quadrant - gunter
credit:
On loan from the Wellcome Trust