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 86
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Sundials
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Introductio geographica Petri Apiani in doctissimas Verneri annotationes, co[n]tinens plenum intellectum [et] iudicium omnis operationis, quæ per sinus [et] chordas in géographia confici potest, adiuncto radio astronomico cum quadrante nouo meteoroscopii loco longe vitilissimo. : Huic accedit translatio noua primi libri Géographiæ Cl. Ptolemæi . (1533)](https://img.insideoutlibrary.com/img/200/ia-introductiogeogr00apia-35-1.webp)
