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Fabrica et vsvs : instrvmenti ad horologiorvm descriptionem peropportvni : accessit ratio describendarvm horarum a meridie & media nocte exquisitissima, & nunquam ante hac in lucem edita (1586) Clavius, Christoph, 1538-1612 · Romae : Apud Bartholomaeum Grassium · leaf 46
58 H 0 L 6 0 1 0 U muni fe(^ione Meridiani, & circuli horae ^.in plano circuli Meridiani, hoc eft/ in plano orientali , occidenraliy^ paralklipipedi , hoc eft , in plano fundamen- ti horologloruni cum reda A D, vel B C, fa- cit. Quod fi quando re- … commodius horologia conftruetur ea ratione, quam in tertia figura fcholij propof.37.lib. 3. Gnomo nices expofuimus . Demon- INTELLIGATVR enim AB, communis fedio fundamenti.horoi©» firatio p~ giorum , & Horizontis , Verticalisve , nempe eadem , qme A B, in fundamen- eedentis inuentio- to , nifi quod… Sundials
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