Ioan. Baptistae Portae neap. De refractione optices parte, libri nouem (1593)
Porta, Giambattista della, approximately 1535-1615 · Neapoli : Ex officina Horatij Saluiani : Apud Io. Iacobum Carlinum, & Antonium Pacem · leaf 163
inferior T, veniet in pupillam I, procederet in L, fed refradione labitur in S, extendatur I S, venit in D, mox ex re vifa T ,& oculi centro T extendatur cathetus C T,quoufq; occurret linea? SD, occur¬ ret in D, ergopundus T videbitur in D, ergo linea G E D, vi¬ debitur linea A E T ab oculo C.… … Stipet*
Optics
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.