Polemoscope or 'Jealousy Glass', small telescope,

Made:
1725-1735

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Science Museum Group Collection
© The Board of Trustees of the Science Museum, London

Science Museum Group Collection
© The Board of Trustees of the Science Museum, London

Polemoscope or 'Jealousy Glass', small telescope, horn with silver ferrule, with screw focussing, diagonal mirror in fishskin case, by Edward Scarlett (?), c. 1730

Details

Category:
Optics
Object Number:
1938-744
Materials:
brass (copper, zinc alloy), cardboard, fish skin, glass, horn, iron, silver (alloy) and textile
Measurements:
object: x 90 mm x , 35 mm,
case: x 100 mm x , 47 mm,
overall weight: x x , , .095kg
credit:
Court, Thomas Henry