Refracting telescope of 2 1/4 inch aperture and 36 inch focal length by Troughton

Made:
1790-1826 in London
maker:
Edward Troughton

Refracting telescope of 2 1/4 inch aperture and 36 inch focal length by Troughton, London on an adjustable equatorial mounting with spirit level and tripod stand and box. Accessories include, 2 eyepieces, key , diagonal and filar micrometer.

Details

Category:
Astronomy
Object Number:
1912-221
Materials:
metal
Measurements:
length 650 mm
width 300 mm
height 800 mm
type:
telescope - refracting, equatorial instrument and filar micrometer
credit:
Lyle, R.

Parts

Accessories for refracting telescope of 2 1/4 inch aperture and 36 inch focal length by Troughton

Accessories for refracting telescope of 2 1/4 inch aperture and 36 inch focal length by Troughton

Accessories for refracting telescope of 2 1/4 inch aperture and 36 inch focal length, including 2 eyepieces, key, diagonal and filar micrometer. by Troughton, London

Object Number:
1912-221/2
type:
telescope - refracting , equatorial instrument and filar micrometer
Image ©
The Board of Trustees of the Science Museum

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