Astrolabium Vranicum generale : a necessary and pleasaunt solace and recreation for nauigators in their long iorneying : containing the vse of an instrument or general astrolabe: newly for them deuised by the author ... called the (Vranicall astrolabe.) ... Fraught also by new deuise with all such necessary supplements for iudiciall astrology, as Alkabitivs & Clavdivs Dariottvs haue deliuered by their tables. Wherevnto for their further delight he hath anexed another inuention, expressing in one face the whole globe terrestriall; with the two great English voyages lately performed round about the world
John Blagrave
Bok Engelsk 1972