.^o.poftea in Ecentro fige ftilum teretem orthogona liter. Tandem ad aequidiftantiahorizontis coaptabis aream planam, fuper quam pone quadratum illud, ita vc B punftum verfus meri- diem, D ver6 feptentrione verfus porrigatur. Poft haec verifica qua- dratum, donec vmbra ftili fuper gradum verticalem…
Cosmography · Geography
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