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 37
erall on the fide ofthe Seftor,! ealitparallellentrance,oreritring with a parallell, when the two lines cfthe firft. denomination are ap-plied in the parallells, and the third line, and that which isfought for, are on the fide of the Seftor. I call it laterall en*trance, or entring on the fide of t… … As tor example, let there be giuen three lines \A/S,C}towhich I am to find a fourth proportional!. let A, mcafuredin the line of/*»*/, be 40, B 50, and C 6o, and fuppofcthe quefticn be this. IfqoOWottthes giue 50 fmndsyyth^t{hall dofHere are lines oftwodenominatiosjone of monthsanother 0$pounds,…
Astronomy · Puritans
Internet Archive · Princeton University Library · Public Domain Mark 1.0. Free to use for anything.
![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)
