Gregorian reflecting telescope of 2 1/2 inch aperture and 17 inch focal length

Made:
1740-1780
Gregorian reflecting telescope of 2 1/2 inch aperture and 17

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

Buy this image as a print 

Buy

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

License

Gregorian reflecting telescope of 2 1/2 inch aperture and 17
Science Museum Group
© The Board of Trustees of the Science Museum

Gregorian reflecting telescope of 2 1/2 inch aperture and 17 inch focal length, unsigned, on an altazimuth mounting with a folding claw tripod stand.

Details

Category:
Astronomy
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1979-160
Materials:
metal and glass
type:
telescope - gregorian and telescope - reflecting
credit:
On loan from the Wellcome Trust