The description and use of the sector, crosse-staffe, and other instruments : with a canon of artificiall Sines and Tangents, and the use thereof in astronomie, navigation, dialling and fortification .. (1636)
Gunter, Edmund, 1581-1626 · London : Printed by William Iones for Iames Bowler · leaf 98
e horizon may be found in likefort by their interjections with the meridian, and themiddle betweene thofe interfections is alwayes the* cen-ter. The Azimuths may be drawne as the circles of lon-gitude were before. For the circle of the firft verticall V Z.e* will be found at / ( fomewhat ncere unto… … i°B on the fide of the Setter, allowing 45 degrees to be e quail to L 2, thefe divifions fhall be the centers, and the diftance from thefe divifions unto Z, (hall be , the lerridiameters whereon to defcribethe reft of the Azimuths. ■& L * The 76 Of the Proieftmrfthe Sphere. Wot example of this…
Astronomy · Puritans
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