Title page of Edmund Gunter (1581-1626) "The Description and Use of the Sector", London, 1636 (1st edition 1626). This shows mariners holding various navigational instruments, including a sector and a cross-staff at the top, and a horary quadrant (?) at b

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Size: 2760px × 3543px
Photo credit: © Photo12/Ann Ronan Picture Library / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: /, edmund, gunter, instrument, mathematical, measurement, page, title