Method Of Measuring Angles
by Print Collector
Title
Method Of Measuring Angles
Artist
Print Collector
Medium
Drawing - Illustration
Description
Method of measuring angles with a cross-staff, 1636. Edmund Gunter (1581-1626) was an English mathematician and astronomer who invented many measuring instruments which bear his name; Gunter's Chain, the 22-yard-long, 100-link chain used by surveyors; Gunter's Line, the forerunner of the modern slide-rule; Gunter's Scale, a navigational tool; and the portable Gunter's Quadrant. He also introduced the words cosine and cotangent into the language of trigonometry. From The Description and Use of the Sector by Edmund Gunter. (London, 1636). (Photo by Oxford Science Archive/Print Collector/Getty Images)
Image provided by Getty Images.
Uploaded
January 29th, 2021
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Image ID
463918427
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