FIRST EDITION OFFPRINT, PRESENTATION COPY, of Bohr's first published scientific paper, written while he was a 20-year-old student at Copenhagen University. Inscribed by Bohr in Danish on front wrapper to Poul Heegaard, mathematician and professor at Copenhagen University. In original wrappers. More about Determination of the Surface-Tension of Water by the Method of Jet Vibration
STUNNING LARGE GELATIN SILVER LIMITED EDITION PHOTOGRAPH; one of the most iconic images of the 20th century. One of only 450 in the edition. More about Photograph
SECOND EDITION, THE FIRST “COMPLETE” EDITION, of Galileo’s collected works; an important edition containing a wealth of material (nearly all of volume 3) not included in the 1655-56 first collected edition. More about Opere di Galileo Galilei Nobile Fiorentino
FIRST EDITIONS (JOURNAL ISSUES IN ORIGINAL WRAPPERS) OF TWO LANDMARK PAPERS IN THE EARLY HISTORY OF TOPOLOGY, IN WHICH IN WHICH, AMONG OTHER THINGS, MÖBIUS DESCRIBED THE MÖBIUS STRIP, DEFINED THE TOPOLOGICAL CONCEPTS NOW KNOWN AS GENUS AND ORIENTABILITY, AND SHOWED THAT ALL CLOSED ORIENTABLE SURFACES OF A PARTICULAR GENUS..... More about Ueber die Bestimmung des Inhaltes eines Polyëders (1865). WITH: Theorie der elementaren...