Gunter quadrant
- Made:
- 1640
This image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence
This image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence
Brass Gunter quadrant (3-inch radius) signed J M and dated 1640 with degree and trigonometric scales and vovelle
Science Museum Group
© The Board of Trustees of the Science Museum, London
Brass Gunter quadrant (3-inch radius) signed J M and dated 1640 with degree and trigonometric scales and vovelle
Science Museum Group
© The Board of Trustees of the Science Museum, London
Gunter quadrant, maker unknown, probably made in London, 1640. Signed ‘JM 1640’.
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 and Gunter’s trignonometric scale for making calculations. There is a volvelle on the reverse consisting of a planispheric nocturnal.
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Details
- Category:
- Astronomy
- Object Number:
- 1938-385
- type:
- gunter quadrant
- taxonomy:
-
- furnishing and equipment
- measuring device - instrument
- timepiece
- horary quadrant
- furnishing and equipment
- measuring device - instrument
- timepiece
- credit:
- Mr W.E. Miller
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Data in the title, made, maker and details fields are released under Creative Commons Zero
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