planum , hic intelligimus ordinatam quandam, & aptam delineationem circulorum Sphiri, iecundum eo¬ rum fediones in plano , diligenter inuentas , & debitis locis conuenienter allignatas. Vt autem ratio vocabuli intelligatur, fupponendum eit , huiul- modi delineationem fieri arte & induftria Optices… … Cogita' oculum conftitutum in A intueri Sphiram B C, & fixo obtutu radios opticos f in fimilitudinem folarmm fulgentes ) per omnia & flngu- la punda circulorum tranfmittere in planum D E ;ita vt finguli radij , un¬ gulorum , per qui tranfeunt, pundorum vmbram in id planum conijciat ftatim
Sundials -- Early works to 1800 · Horology -- Early works to 1800 · Perspective -- Early works to 1800 · Horology · Perspective · Sundials
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