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The Description and Use of the Sector (1624)

Gunter, Edmund · leaf 259

An illustration from The Description and Use of the Sector, 1624, leaf 259
ne parallell to the Equiriocliall,which paireth through the points of Eaft and Weft, beingright to the Meridian, but inclining to the Horizon, withan angle equall to the complement of the latitude. This ishere reprefented by E A W. 5 A verticall plane inclining to the horizon, parallell toany great… … to the equino&iall.This is here reprefentcd either by E IW9or E TfT, ox EL IV. 6 A meridian plane parallel! ro the meridian,the circleof the houre of i ^y which paireth through the zenith, thepole,and the points of South and North, being right to thehorizon,and the prime vertical!. This is here…

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