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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 55

An illustration from Ioan. Baptistae Portae neap. De refractione optices parte, libri nouem, 1593, leaf 55
DE PILAE CRYST. REF. LIB. II. 4* … Sit res vifa C, cadat fuper pilam in B , refrangitur in E per fecundam huius , eggreditur per E A per quinta huius , vbi fir¬ metur oculus , ducatur cathetus ex CperD circuli centrum, occurret lineae refradionis in K, ibi igitur videbitur fimula- chrum luminis, vel alterius rei C,per 7. noftri…

Optics

Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.

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