pundum B per lineam f edarn in E dicunt refringi, ac fic per aliam redam ad vifiim pervenire : res enim refrada femper adpafet perpendicularis rei refringenti, ac unum qiiodquepundum linearum adpar entium exade immi- net illis pundis a quibus' /pecies refringuntur. C A ? u T XIX. RefraBio in luna^…
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