Polemoscope or 'Jealousy Glass'

Polemoscope or 'Jealousy Glass', small telescope Polemoscope or 'Jealousy Glass', small telescope

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Polemoscope or 'Jealousy Glass', small telescope
Science Museum Group Collection
© The Board of Trustees of the Science Museum, London

Polemoscope or 'Jealousy Glass', small telescope
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:
horn, glass, silver (alloy), fish skin, textile, cardboard, iron and brass (copper, zinc alloy)
Measurements:
object: x 90 mm x , 35 mm,
case: x 100 mm x , 47 mm,
overall weight: x x , , .095kg
type:
telescope
credit:
Court, Thomas Henry