lud intermedium, P/anum refraciionis interradicfe appelletur. DEFINITIO X. T cum linea interradiofa, pars fcil.illius incidens , oblique in planum contactüs incidat, vifio quz in tribus iftis planis per tres pra dictas lineas refractas fit, F2/Toconiugata obliqua nominctur, AD DEFINITIONEM $8.… … partes, incidens. F C. Refracta. C E. Per- pendiculum oculorum D Y. & S X. Per- pendiculum centri vifualis. E L. Duo planarefractionisradioíz D B.Y G F.& SXH GE, planum contac&is ad re&os angulos fecantia in re&tisli- addef.o. necis Y BG & XH G. | Planum refradionis interradiofz. E L C GF.planum 4d…
Mathematics, Greek · Conic sections · Physics -- Early works to 1800
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
