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Gunter quadrant, 1752
Edmund Gunter, Welsh, UK
Maker:
Collectie:
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English boxwood Gunter or hour quadrant.
Graduated for the latitude of London (52°), with a shadow square indicating positions for five stars, an hour scale, a degree scale, and equinox dates aligned according to the Gregorian calendar. Edge sight vanes are located on the right-hand side.
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English boxwood Gunter Quadrant or Horary Quadrant to measure the altitude of the polestar or the sun, to determine your latitude at sea or time on land.
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