Gunter quadrant

Made:
1650-1725 in England

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English brass Gunter quadrant, mounted on raised mahogany base (4 1/4-inch radius) with degree scale and shadow square.
Science Museum Group
© The Board of Trustees of the Science Museum

English brass Gunter quadrant, mounted on raised mahogany base (4 1/4-inch radius) with degree scale and shadow square.
Science Museum Group
© The Board of Trustees of the Science Museum

English brass Gunter quadrant, mounted on raised mahogany base (4 1/4-inch radius) with degree scale and shadow square.
Science Museum Group
© The Board of Trustees of the Science Museum

English brass Gunter quadrant, mounted on raised mahogany base (4 1/4-inch radius) with degree scale and shadow square.
Science Museum Group
© The Board of Trustees of the Science Museum, London

English brass Gunter quadrant, mounted on raised mahogany base (4 1/4-inch radius) with degree scale and shadow square.
Science Museum Group
© The Board of Trustees of the Science Museum, London

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.

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Science Museum: Science City

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Details

Category:
Astronomy
Object Number:
1919-319
Materials:
brass, incomplete, mahogany
type:
gunter quadrant
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • timepiece
  • horary quadrant
credit:
Mr Thomas H. Court

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