Io. Baptistae Benedicti patritij veneti philosophi De gnomonvm vmbrarvmq. solarivm vsv liber : nunc primùm publicae utilitati, studiosorumq̀. commoditati in lucem aeditus (1574)
Benedetti, Giovanni Battista, 1530-1590 · Avgvstae Tavrinorvm : Apud haeredes Nicolai Beuilaquae · leaf 230
nica,dudis lineis, aut hqrarijs, aut alijsex aliqua materia in- uicemiundis, me^ianteorizontali,'aut meridiana,auc xquinoi^iali , aut uia hy perbolarum tropicorum.Harum nanq; linearum vmbra curn-ea qus gno- monisjcft opus in qualibet fuperficie pr?ftabjt dummodo eiufmpdi machina in fitu coeli…
Sundials -- Early works to 1800
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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