EXTREMELY RARE FIRST EDITION IN ORIGINAL WRAPPERS of Bergman’s study of chemical affinities, including a large fold-out table, “the finest achievement in the tradition of affinity tables,” and a major predecessor of the periodic table. More

FIRST EDITION, OFFPRINT ISSUE, INSCRIBED BY NIELS BOHR, of Bohr's Nobel Prize lecture, delivered on the occasion of Bohr's acceptance of the 1922 Nobel Prize in Physics. An association copy: Inscribed to J.A. Christiansen, noted scientist and student of Bohr. More

THE ORIGIN OF STATISTICAL MECHANICS: FIRST EDITIONS, JOURNAL ISSUES, IN ORIGINAL WRAPPERS, OF LUDWIG BOLTZMANN’S ATTEMPTS TO DERIVE THE SECOND LAW OF THERMODYNAMICS FROM THE BASIC PRINCIPLES OF MOLECULAR MECHANICS, AND HIS PROPOSAL OF THE “ERGODIC HYPOTHESIS.”. More

FIRST EDITION IN ORIGINAL WRAPPERS of Compton’s report providing the data and experimental evidence for the dual wave-particle nature of electromagnetic radiation, later called “the Compton effect”. More

FIRST EDITION, FIRST ISSUE (one of only 2500 copies) in original cloth of Darwin's seminal work on the evolution of man. More

FIRST EDITION of De Chancourtois’s presentation of his “telluric screw,” the first periodic representation of the elements; precedes Mendeleev’s table by seven years. More

AN EXTRAORDINARY LETTER BY EINSTEIN TO HIS SON OFFERING LIFE ADVICE AND DISCUSSING FREUD, SHAKESPEARE, AND SCHILLER. More

FIRST EDITION, COMMERCIAL OFFPRINT ISSUE, of Einstein's important 1914 paper on the development of general relativity. More

TOWARDS THE END OF HIS LIFE, EINSTEIN WRITES TO ONE OF HIS FRIENDS FROM THE PATENT OFFICE CONCERNING ONE OF THE CENTRAL STRUGGLES OF HIS SCIENTIFIC LIFE. COMMENTING ON THE WORK OF DIRAC, EINSTEIN ADMITS THAT ALTHOUGH HE “CAN’T TAKE A STATISTICAL FOUNDATION OF PHYSICS SERIOUSLY” HE FINDS IT..... More

VERY RARE FIRST EDITION OF AN IMPORTANT DOCUMENT OF 20TH-CENTURY JEWISH INTELLECTUAL AND CULTURAL HISTORY. More

FIRST EDITION IN ORIGINAL WRAPPERS OF MICHAEL FARADAY'S MOST FAMOUS AND INFLUENTIAL PAPER, REPORTING THE FIRST PRODUCTION OF ELECTRICITY BY ELECTROMAGNETIC INDUCTION. More

FIRST EDITION IN ORIGINAL WRAPPERS of two papers containing Faraday’s detailed investigations of the nature of the ‘lines of force’; an extension of work he had begun in his first paper (1821) on electromagnetism. These investigations laid the foundations of field theory. More