lucente Sole , ab eodem Sph ceree centro hinc vmbra direBe in¬ de radius emittatur reflexe in idem filanum fpeculo perpendi¬ culare ; ce quales inuicem erunt anguli quos ad ipfum vmbra radiufque efficient i INtellDatur circa diametrum B C maximus quicunque circulus, vt Ho- nzon fcui ad centrum A… … eflet fi alicui alteri ipfi parallelo) occurrat in N. Dico angulum A NLefie squalem angulo A M L. Nam/w^S» r element . angulus A M L squalis eft angulo F AD f fiquidem reda FFI im duas redas I K, DE ex confirutlione parallelas fecat in A &M> & per eandem angulus A N L squalis eft angulo G AD, ciim…
Sundials -- Early works to 1800 · Horology -- Early works to 1800 · Perspective -- Early works to 1800 · Horology · Perspective · Sundials
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