Apian, Peter, 1495-1552, Gemma, Frisius, 1508-1555 · [Antwerp] : Anno 1584. Antuerpiæ, ex officina Ioannis VVithagij. · leaf 484
ur . Vt itaquccxquantitatecogmtacu- iufris altitudinisignotacratio conftet , omnem eo conuerte mtellcausaciem , vt infingulis exemplis a.iprapofitis duos imagineris triangulos proportionalesaa ic TckoguU inuicem,quod cuiuis exercitato l-acilefuccedet. plicis in di- Quotiefcunque igitur \mex rerum… … & Optico radioE A conftituitUr . Alter triangulus m nerexlateie ED, reftiltat, acfragmcntoduplici, D FquidemipfiusIaterisD C,& F E,ipfiusFadi|vifiis AE. Quoniam vero vtquartahabetpropofiria d^libri, «qualiumangnlorum triangu lis proportionalia latera fi^nt, qu;^ circa aequos angulos confiftunt , &…
Cosmography · Geography · Astronomy
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