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.

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

Details

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