prospect glass (spyglass; opera glass)

Made:
1745-1755 in England
maker:
Unattributed
prospect glass (spyglass; opera glass) prospect glass (spyglass; opera glass) prospect glass (spyglass; opera glass)

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

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Science Museum Group
© The Board of Trustees of the Science Museum

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

prospect glass (spyglass; opera glass), ivory tube, fixed length, screw focussing (eye lens cracked; object glass chipped), probably English, unsigned, c.1750

Details

Category:
Optics
Object Number:
1919-313
Materials:
ivory, glass, wood and cardboard
Measurements:
overall: x 107 mm x , 37 mm, .055kg
type:
opera glass, telescope - galilean and telescope - refracting
credit:
Court, Thomas Henry