feu gradus.^o, poflea in e centro,fige ftilum teretem orthogonaliter. Tandem ad arqu! dtftantiam horizontiscoaptabi s aream planam,fuper qua pone quadra* tum illud, ita vt bpunftum verfus meridiem, d vero Septentrionem verfus porrigatur.Poft haec verifica quadratu donec vmbra ftili fug gra…
Cosmography · Geography
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