Philippi Lansbergii Cyclometriae novae libri dvo .. (1616)
Lansberge, Philippe van, 1561-1632 · Middelbvrgi : Ex officina Richardi Schilders · leaf 46
;8 CYCLOMETRIZ -— T'entavit fuperioribus annis Doaiffimus Clavius eandem defcri. bere per punc radij : & parallelze fete interfecantium (quod tamen artificium magnosillos Viros non latuit) fed conatu irrito : quia vt Sporus Nicenus animadvertit, & Clavius ipfe fateri cogitur, ipfius… … Dico AL partemradij AD qua. ^ PIN M | abfcindit perpendicularis K L à pun&o fectionis K inradium A D, effe bafin. vereayevido9 (4 Dinoftrau. Contineturenim K Lin M, & ex Á centro ducatur recta AN per pun&um M in tangentem D N,eruntque triangula ALM & A D N fimilia, propter rectosangulos ad L &…
Circle · Geometry -- Early works to 1800
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
![An illustration from Directorivm generale vranometricvm : in quo trigonometriae logarithmicae fvndamenta, ac regulae demonstrantur, astronomicaeq[ue] supputationes ad solam ferè vulgarem additionem reducuntur : opus vtilissimum astronomis, geometris, arithmeticis, perspectiuis, architectis, praecipuè militaribus, mechanicis, geographis, nec non ipsis philosophis naturalibus (1632)](https://img.insideoutlibrary.com/img/200/ia-directorivmgener00cava-64-0.webp)
