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Title page of The Description and Use of the Sector by Edmund Gunter, 1636.
Title page of The Description and Use of the Sector by Edmund Gunter, 1636. It shows mariners holding various navigational instruments, including a sector and a cross-staff at the top, and a horary quadrant at bottom right. 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. (London, 1636)
Unique Identifier
AR924281
Type
Image
Purpose
Public
Size
3688px × 4733px
Photo Credit
HIP / Art Resource, NY
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Tags
17th century
ARITHMETIC
ARTS
B&W
B/W
Black & White
Black and white
Book
Britain
British
country
Cross-staff
Edmund
Edmund Gunter
England
English
Engraving
Gunter
Literature
LOCATION
mathematical instrument
Mathematics
MATHS
Measurement
MEASURING
Monochrome
Navigation
navigational device
Oxford Science Archive
Print Collector1
Quadrant
SECTOR
SEVENTEENTH CENTURY
SURVEYING
Title page
Tool