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 44
e vfi of the line of Lines* 2 j them, as betweene the lines to which they are equall. 6 Two tines beinggiuen to finde a, third inconUnu&Uproportion. FTrffc place both the lines giuen, on both fides of theSettor from the Centered marke the termes of of theirextenfion, then take out the fecond… … 3 4 Th* vfi tfthe lines tf Line- Let the two lines giucti be A B, A C, which I take out and!place on both fides of the SeStorfo as they all mcete ia thecenter A, let the termes of the fir ft line be B and B, thetermes of the fecond C and C.Then doe I take ouc AC thefecond line againe, and to it…
Astronomy · Puritans
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![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-375-258.webp)
