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 78
Ji The generrilvfe of Sin&i&d Tawgnets 6 The chord of am arke being given to fade thediameter ^i/Radius. TVrne the chord given unto a parallell chord, and his p^rallell femiradius (hall be the femidiameter, and the pa«rallell radius foall be the diameter. AsifFG bethechordof8o^r.Iput this…
Astronomy · Puritans
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