&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
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