Gregorian reflecting telescope of 2 1/2 inch aperture, with stand, tripod and case

Made:
1808-1850 in London
maker:
Robert Brettell Bate
Gregorian reflecting telescope of 2 1/2 inch aperture, with stand, tripod and case Gregorian reflecting telescope of 2 1/2 inch aperture, with stand, tripod and case
Gregorian reflecting telescope of 2 1/2 inch aperture, with stand, tripod and case Gregorian reflecting telescope of 2 1/2 inch aperture, with stand, tripod and case

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

License this image for commercial use at Science and Society Picture Library

License

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Gregorian reflecting telescope of 2 1/2 inch aperture and 8 inch focal length by R. B. Bate, London, on an altazimuth stand with a folding claw foot tripod and a fitted mahogany case.

Details

Category:
Astronomy
Object Number:
1921-577
Materials:
brass (copper, zinc alloy), speculum (alloy of copper and tin), iron, glass and wood (unidentified)
Measurements:
length 220 mm
width 110 mm
height 90 mm
type:
telescope - gregorian and telescope - reflecting
credit:
Mr Thomas H. Court

Parts

Case for Gregorian reflecting telescope of 2 1/2 inch aperture and 8 inch focal length by R.B. Bate

Case for Gregorian reflecting telescope of 2 1/2 inch aperture and 8 inch focal length by R.B. Bate

Case for Gregorian reflecting telescope of 2 1/2 inch aperture and 8 inch focal length by R.B. Bate, London, on an altazimuth stand with a folding claw foot tripod

Measurements:
overall: 90 x 220 x 105 mm
Materials:
mahogany , iron and complete
Object Number:
1921-577 Pt1
type:
components , storage boxes and instruments
Image ©
The Board of Trustees of the Science Museum
Gregorian reflecting telescope of 2 1/2 inch aperture and 8 inch focal length by R.B. Bate

Gregorian reflecting telescope of 2 1/2 inch aperture and 8 inch focal length by R.B. Bate

Gregorian reflecting telescope of 2 1/2 inch aperture and 8 inch focal length by R.B. Bate, London, on an altazimuth stand with a folding claw foot tripod.

Measurements:
length 220 mm
width 110 mm
height 90 mm
Materials:
brass (copper, zinc alloy) , glass , iron and speculum (alloy of copper and tin)
Object Number:
1921-577 Pt2
type:
instrument component , telescope - gregorian and telescope - reflecting
Image ©
The Board of Trustees of the Science Museum
Lens component for Gregorian Reflecting Telescope

Lens component for Gregorian Reflecting Telescope

Lens component for Gregorian reflecting telescope of 2 1/2 inch aperture and 8 inch focal length by R.B. Bate, London, on an altazimuth stand with a folding claw foot tripod.

Object Number:
1921-577 Pt3
type:
instrument component

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