small telescope (prospect glass; spyglass; opera glass)

small telescope (prospect glass; spyglass; opera glass) small telescope (prospect glass; spyglass; opera glass) small telescope (prospect glass; spyglass; opera glass)

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

Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

License

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

Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

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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

small telescope (prospect glass; spyglass; opera glass), 1-draw tube, black fishskin covered tube, leather draw tube with silver tooled decoration, wooden (walnut?) lens fixtures, silver bands around draw tube, in wooden case, by Francis de Baillou, Milan, dated 1759 (object lens missing)

Details

Category:
Optics
Object Number:
1938-434
Materials:
fishskin, leather, walnut (wood), glass, silver, paper and cardboard
Measurements:
overall: x 98 mm x , 52 mm, .08kg
type:
opera glass, telescope - galilean and telescope - refracting
credit:
Holliday, E.N.