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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 504

An illustration from 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, leaf 504
\*52$*6l*$ The #rd Tdk ofLegdritlmcsl 4* … The like holdeth alfo in obliqu-angled triangles; As in the Triangle AbD (which I proposed page 13. asanexample for the finding ofdiftsnces) where knowing thediftance between A and D,to be 100 paces; the angle BAC tobe 43. 2ow, the angle BD A 122, or the outward angle£ D C, 58 gr. and confequently…

Astronomy · Puritans

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