Galilean hand-held refracting telescope (spy-glass)

Galilean hand-held refracting telescope (spy-glass)

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Galilean hand-held refracting telescope (spy-glass), brass, 2-power eye-piece by Edward Nairne, London, England, c. 1785.

Details

Category:
Optics
Object Number:
1918-133
Materials:
copper (alloy) and glass
Measurements:
overall: x 11.5 mm x , 47 mm, .2kg
type:
telescope - galilean, telescope - terrestrial and telescope - refracting
credit:
Court, Thomas Henry