Gregorian reflecting telescope, 3-inch aperture and altazimuth mount

Made:
1750-1760 in London
maker:
John Bird

Brass Gregorian reflecting telescope of 3-inch aperture, by John Bird, London with altazimuth mount on claw foot stand, inscribed "J. BIRD"

Details

Category:
Astronomy
Object Number:
1938-714
Materials:
brass, speculum and complete
Measurements:
depth: 280mm
height: 550mm
width: 520mm
overall (as displayed): 515 mm x 505 mm x 285 mm, 3.912 kg
type:
telescope - gregorian and telescope - reflecting
credit:
Mr Thomas H. Court