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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 136

An illustration from Fabrica et vsvs : instrvmenti ad horologiorvm descriptionem peropportvni : accessit ratio describendarvm horarum a meridie & media nocte exquisitissima, & nunquam ante hac in lucem edita, 1586, leaf 136
iiS . H 0 110 l 0 G I 0 IIF M … nimvc multitudine. Reli<aum eft aute quadratum A E F G,vacuum,propterea quod omnes partes in eo contentoejfi productae eflcnt lineae, liabenr alias parte^s duplas, aut quadruplas, aut od-iplas, &c. adeo vt filum perpendiculi in aliqua earum cadens cadat quoqj neceflario in aliquam aliam illius…

Sundials

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

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