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Perspectiua horaria, siue, De horographia gnomonica tum theoretica, tum practica libri quatuor ... (1648)

Maignan, Emmanuel, 1601-1676 · Romae : Typis & expenses Philippi Rubei · leaf 157

An illustration from Perspectiua horaria, siue, De horographia gnomonica tum theoretica, tum practica libri quatuor ..., 1648, leaf 157
&c quia miiiper Itylus , vtpotej ^ ad planum Verticale redtus, eit in plano Horizontis ; tranfibic idem Horizon ( atque adeo communis eius., & plani A B fedtio) per C lo¬ cum Itvli. Reliqua penes fidem Libella; funto iuxta dicta duabus proceden¬ tibus propifmombus. Igitur dato Itylo redte inuenta… … REpetatur procedentis prop. figura ;iitque planum Verticale quodeun- que AB , & Itylus eidem ad redtos angulos infiltcns C D. Ex C loco ltvli, demitto liberum perpendiculum C G , ac diipolita lecundiim eius li¬ neam, regula redtilinea, delcribo optatam Verticalem C G. Demonftratio , Q Vomam enim…

Sundials -- Early works to 1800 · Horology -- Early works to 1800 · Perspective -- Early works to 1800 · Horology · Perspective · Sundials

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

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