Gunter quadrant

Made:
1650-1725 in England
English brass Gunter quadrant English brass Gunter quadrant English brass Gunter quadrant English brass Gunter quadrant English brass Gunter quadrant

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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 

Buy

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 

Buy

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 

Buy

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

License

English brass Gunter quadrant
Science Museum Group
© The Board of Trustees of the Science Museum, London

English brass Gunter quadrant
Science Museum Group
© The Board of Trustees of the Science Museum, London

English brass Gunter quadrant
Science Museum Group
© The Board of Trustees of the Science Museum

English brass Gunter quadrant
Science Museum Group
© The Board of Trustees of the Science Museum

English brass Gunter quadrant
Science Museum Group
© The Board of Trustees of the Science Museum

Gunter quadrant, maker unknown, made in England, 1650-1725. Mounted on to a mahogany base.

Gunter quadrants are mathematical instruments that were used for basic astronomical calculation and time-telling. This quadrant has a scale for measuring altitude in degrees, Gunter’s trignonometric scale for making calculations and a shadow square.

Details

Category:
Astronomy
Object Number:
1919-319
Materials:
brass, mahogany and incomplete
Measurements:
overall: 17 x 120 x 120 mm
type:
gunter quadrant
credit:
Mr Thomas H. Court