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 131
^ re Cncmmkd^ ^ ^ 5.8.- . … De cegmtlone Anguli intercepti i circulo hordrio ^ dt ork^nte* CAp. LXII. Adcn^s in cognitionem deuenimus trium arcuum figu XX cap.5^;vide}tecr.P,h : h.t. & P. t. quare facillimum erit cognofcere angulum. P.h.t. a circulo horario cum orizonte deicriptum . fint in fubicripto circulo tres ar-…
Sundials -- Early works to 1800
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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