Terrestrial refracting telescope

maker:: J. Dollond & Son

$Terrestrial refracting telescope, 3-draw$

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Terrestrial refracting telescope, 3-draw
Science Museum Group
© The Board of Trustees of the Science Museum

Terrestrial refracting telescope, 3-draw, by John Dollond and son (Peter), London, c. 1760. Diameter of object glass 7/8 inch. Shagreen tube and vellum draw tube, brass mounts; sliding caps at each end.

Details

Category:: Optics

Object Number:: 1918-130

Materials:: vellum, fish skin, paper (fibre product), cardboard, copper (alloy) and glass

Measurements:: overall: x 250 mm x , 47 mm, .32kg

type:: telescope - terrestrial and telescope - refracting

credit:: Court, Thomas Henry

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Terrestrial refracting telescope

Details

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