PAL

Ptolemaeus Arabus et Latinus

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Ptolemy, Almagesti (tr. Erasmus Reinhold)

Wittenberg, Johannes Lufft, 1549 · 100r

Facsimile

men,

ut paries firmiter consistat. Reliquae quatuor superficies sint parallelogrammae oblongiores aequales et similes inter se.

In quadrato igitur latere ABCD centro H descriptus est circumferentiae circuli quadrans IK, lineis HI, HK rectum angulum IHK comprehendentibus. Estque hic quadrans divisus in partes 90 et earum scrupula.

Duo cylindri parvi HM et LN aequales, et