Brass quadrant with stand and case.

Made:
1771 in Strand
maker:
John Bird
Brass quadrant with stand and case. (quadrant - optical; instrument case) Brass quadrant with stand and case. (quadrant - optical; instrument case) Brass quadrant with stand and case. (quadrant - optical; instrument case) Brass quadrant with stand and case. (quadrant - optical; instrument case) Brass quadrant with stand and case. (quadrant - optical; instrument case) Brass quadrant with stand and case. (quadrant - optical; instrument case) Brass quadrant with stand and case. (quadrant - optical; instrument case) Brass quadrant with stand and case. (quadrant - optical; instrument case)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Brass quadrant with 0-90° scale of 18-inch radius with second scale of 0- 96° divisions with stand, two optical sights and wooden case, by John Bird, London, dated 1771 and signed, 'W.L.'. Originally the property of the reverend William Ludlam, mathematican and fellow of St. Johns College, Cambridge.

Details

Category:
Astronomy
Object Number:
1937-600
Materials:
brass and glass
Measurements:
overall: 920 x 360 x 720 mm
type:
quadrant - optical and instrument case
credit:
Cambridge Observatory