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 433
e 54 gr. 5 2 m.Tor your fiftarke. Then working according to the Canon,you fhall find, As the fine of 7%gr*i * m* your fourth arke ,to the fine of 51 gr. 30 m. for thelatiiude,* Gg£ ^ So 2 3 8 Tofittde the altitude if the Sunnc. 2> I reQtHgnh 0<DHt vt O E Raditu*d E M CotanjAt*it a O D… … vt Cofi. PR Ad &$• V Z it a (\oji. S RAd Cofi. S Z hoc eft vtSin.DR,Ad Sin. E Z>it a Sin. H SAd Sin. A S. Hinc forte prtftabit vocare HS or cum quint um it Afecund*operatio inftituetur per fotosfinus, Vel (ilibet fubtrAfiionem finusqtiarti Arcus evitAre^ inveni-Aturangulus OHD quod fieri…
Astronomy · Puritans
Internet Archive · Princeton University Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Examen dv livre des Recreations mathematiqves, & de ses problemes en geometrie mechanique, optique & catoptrique [du J. Leurechon] Où sont aussi discutées & restabiles plusieurs experiences physiques y proposées (1639)](https://img.insideoutlibrary.com/img/200/ia-examendvlivredes00mydo-364-65.webp)
