American Philosophical Society, 1917. First edition, extremely rare separately-paginated offprint, and a remarkable association copy, signed by Edwin Hubble. In this profoundly significant paper, Slipher reports his finding that, of 25 spiral ‘nebulae’ examined, 21 are receding from us at high velocities, thus anticipating Hubble in his two most important... More about Nebulae
Item #4724

[St. Petersburg: 1874]. First edition, extremely rare offprint, of Struve’s ‘discovery’ of the faint companion to the star Procyon, which together form a binary system. This offprint is accompanied by two signed autograph letters from Struve to the Scottish amateur astronomer Robert Stirling Newall (1812-89), who at the time owned..... More about Beobachtung des Procyon als Doppelstern. Offprint from Mélanges mathématiques et astronomiques...
Item #4324

Nürnberg: Stuchs, 1514. First edition of Werner’s most important book, an extremely rare and highly influential work on cartography and navigation, containing the first published direct translation of any part of Ptolemy’s Geography from the original Greek. It includes the first publication of the Werner map projection, which was widely..... More about In hoc opere haec co[n]tinentur: Noua translatio primi libri Geographiæ Cl. Ptolomæi Geographia...
Item #3080