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
*ndverfedsine, to find the Diameter and Radius* Let the two right Iyies given beA B, rcfe moling the chord, C <D3she verfed fine of a circle, whofearch A C B is unknowne: and leeit be required to find the diameterCF. Having 2 lines given, the firflCD,thefeco!idADthe halfe ofA B,we may find a…
Astronomy · Puritans
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