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Systema compendiosum totius mathematices, hoc est, geometriæ, opticæ, astronomiæ et geographiæ, (1621)
Keckermann, Bartholomæus, 1571-1608, Keckermann, Bartholomæus, 1571-1608. Systema geographicum duobus libris, Keckermann, Bartholomæus, 1571-1608. Brevis commentatio nautica · Hanouiæ : apud Petrum Antonium. · leaf 109
an poteft tnan- «mlum aequicrurum hoc modo, P Siprimoponaspedcmcirciniin altcrutro termmo ■dat* Hne* re£te , cumque circinum extendas vfque ad altcrurolatusfiuetcrminumrcaaehneae , atque ua circulumcircahanclineamducas ; i.u eundem eirci- 1 «um eodcm fpacio cxtcnfum ponas m altero tcrmino… … tcndo c^rcinu.Mathematics · Geometry · Optics · Astronomy · Geography · Nautical astronomy
Internet Archive · John Carter Brown Library · Public domain (published before 1931). Free to use for anything.
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