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 325
meridian as the di-ftance between the meridian and thehoure-pointsof^oro, it fhall reprefentthe axis of the world, and be truly placedfor the calling of the fiiadow vpon thehoure-lines in a polar plane* CHAP. III. ■ To draw the houre Jims in a meridian plane* ■ to 3 A Meridian plane is that which… … plane intmeridUktUne. i-U plane* and the houre-line parallel! one to the oiher, as in apolar plane, the difFeitnce being onely in the placing of the{equator and in nurabring of the h urcs. Foe in thefe meridian planes hauing drawne on occuicverticail line^Z, and an occult horizonrall line C N,…
Astronomy · Puritans
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