Astrolabij quo primi mobilis motus deprehenduntur canones (1512)
Robertus, Anglicus, active 1326 · Instrumentum Astrolabij etiam impressum est Venetijs : In officina Petri Liechtenstein Coloniẽsis Germani · leaf 52
biftantiam aTtudinis ab aliquo loco in plano toftt oCufo ftf ftcnre in fummftate 7 vidente locum lignatum Pm Irneam rectam inuenire.Sit altitudo montis vel rutris aJocus «gnatus tn pl* … a cuius pes b.7 cacumen e. videntur ab oculo o.qaftcnte in mon te o.fiue pedes fe tangant ftuc no fiuc equalis fiue inequalis Sd as lineam o e per feptimam buiue 7 lineam o b. per cccimam'7 pjeccdentcm toabebia lineam e b. que ift longitudo afccnfus fin lineam rectam vtpatet in figura.…
Astrolabes
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Appe[n]dix matheseos in Margarita[m] philosophica[m] . (1512)](https://img.insideoutlibrary.com/img/200/ia-appendixmatheseo00reis-222-0.webp)
