De radio astronomico & geometrico liber. In quo multa quae ad geographiam, opticam, geometriam & astronomiam utiliss. sunt, demonstrantur. [Tabula gnomonica Georgij Peurbachij.]
[Colophon:] Antwerp: G[regorius de] Bonte & Louvain: P[ierre] Phalèse, 1545. First edition, very rare, of Gemma Frisius’s remarkable astronomical treatise, the most significant early text on the astronomer’s cross-staff, with an early favourable discussion of Copernicus’s De revolutionibus (1543), and the first printed illustration of the camera obscura – Tycho..... More
Item #4956