Sol elliptic: hoc est nouum & perpetuum solis contrahi soliti phaenomenon, quodnouiter inuentum

Scheiner, Christoph, 1575-1650 · 1615 · Avgvstae Vindelicorvm, Typis C. Mangij · 3 pictures

Sunspots · Sun

Internet Archive · Fisher - University of Toronto · Public domain (published before 1931) · More from this library