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 159
rarum reperta ( omifiis duabus: vltimis figuris in deprehe^p^ tabula) gtad. 36. Min. 10. atq; ita de cceteris . Hac ratione, vt rides, iiue y^io daftfnr» labore altitudines aftrorum deprehendi poliunt exquifitilfime , J I N I S, ERRATORVM CORRECTIO. Pag, lin. Errata CorreSta, 9^ 4.afine. illis… … R o M ./E j tJpud lacohm Ru^neUum..
Sundials
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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