per idplannm fingulis horis oflendet, unde umbra. longitudo elicie-tur, & ideo circumferentia horaria uocabitur: altera umbrx latitudinem circa idem planitm indicabit: ho~rari£igitur circumfercntis, hocnwdo amobili meridianotrahuntitr .&primttmin£qttinoc7iali. Es7o a bg d. circulus ex… … i» 5° 4° boraritts portiones feeetur ,fatis enim esi quarta una, ad id qttod uolumus oflendendttm, afmgulis aittem di-uifionibus ad diametntm £quinoclialis ditcantnr linc£,qu£ fcmidiametrnm Z e. fecent, qux omnes linexk /. notentur. Iam ttero ttt fciamus arcus horarios ad Solis altitudinem…
Architecture
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