Pocket draw-tube spyglass telescope

Made:: 1700-1750 in England

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Pocket hand-held spyglass telescope
Science Museum Group
© The Board of Trustees of the Science Museum

Pocket hand-held spyglass telescope, non-achromatic (Galilean type), single draw-tube, shagreen & leather tube with ivory and brass fitting, sliding lens covers, unsigned, English, 1700-1750. The telescope has been sectioned longitudinally to show its construction.

Details

Category:: Optics

Object Number:: 1918-134

Materials:: leather, glass, shagreen, brass (copper, zinc alloy), ivory and rosewood

Measurements:: overall: .042kg
overall (closed): 135 mm 27 mm,

type:: telescope - terrestrial

credit:: Court, Thomas Henry

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Pocket draw-tube spyglass telescope

Details

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