Philippi Lansbergii Cyclometriae novae libri dvo .. (1616)
Lansberge, Philippe van, 1561-1632 · Middelbvrgi : Ex officina Richardi Schilders · leaf 39
quis exemplis omni- bus, numero notarum perimetri arcus ultimi, femper quadrantis pe- rimetri notarum numerus zqualis cft ponendus; ita enim ratio radij ad perimetrum quadraniis, refpondebit exact rationi vltima partis radij ad ultimrarcus perimetrum. At quia nec baec diametii & peripherie ratio,… … partis radij Q. O differentia I Q, par- ticul.21263,82018,60672,4617. Hincper premiffum Theorema eft. J V1 HQ finus rectus complementi ultimiarcus 99999,99999,999 :$9,98:8— ad I Q differentiam 21265,8101 8,60672,4627,11à H P ra- dius 100000,00000,00000;0000, ad KP 21265,8201856067254664…
Circle · Geometry -- Early works to 1800
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
