THE FIRST PUBLISHED DESCRIPTION BY BABBAGE OF HIS ANALYTICAL ENGINE, THE FIRST GENERAL PURPOSE COMPUTER. AN EXTRAORDINARY COPY: FIRST EDITION, INSCRIBED BY BABBAGE TO EMPRESS EUGENIE AND IN A MAGNIFICENT ROYAL PRESENTATION BINDING. More

EXTREMELY RARE FIRST PRINTING of the Canons and Decrees of the Council of Trent, one of the most important publications in the history of the Catholic Church; printed by Paulus Manutius and Aldus the Younger of the Aldine Press and the request of Pope Pius IV. More

RARE FIRST EDITION OF DOW’S MASTERPIECE, ONE OF THE MOST CELEBRATED EXAMPLES OF COLOR WOODBLOCK ILLUSTRATIONS. ONE OF ONLY 200 COPIES PRINTED. AN EXCEPTIONALLY FINE COPY IN THE ORIGINAL BOX. More

AN IMPORTANT SIGNED LETTER (in English) by Einstein, revealing his reservations of associating with communism even in the fight against fascism. More

IMPORTANT LETTER BY EINSTEIN ON HIS INCLUSIVE VISION FOR WORLD PEACE. 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

HEISENBERG PROVIDES HIS RECOLLECTIONS OF THE ORIGINS OF NIELS BOHR’S CONCEPT OF “COMPLEMENTARITY”. A UNIQUE ITEM, OF UTMOST IMPORTANCE FOR THE LIGHT IT SHEDS ON THE PHILOSOPHICAL FOUNDATIONS OF QUANTUM MECHANICS AS SEEN BY THE PIONEERS IN THE FIELD. More

FIRST FLORENCE EDITION, possibly the first edition overall, of an essential Renaissance text. SCARCE. More

SCARCE FIRST EDITION OF NABOKOV’S RUSSIAN TRANSLATION OF ALICE IN WONDERLAND, WITH ILLUSTRATIONS BY ZALSHUPIN. A MAGNIFICENT COPY. More

FIRST EDITION of MacLaurin's most important work, including a strong defense of Isaac Newton and the first full presentation and development of Newton's calculus. The William Jones- Macclesfield copy. More

PRESENTATION COPY AND ASSOCIATION COPY OF THE RARE AUTHOR’S OFFPRINT OF PASTEUR’S FAMOUS LECTURE DISCREDITING THE THEORY OF SPONTANEOUS GENERATION, WITH HIS AUTOGRAPH NOTES TO FELLOW-SCIENTIST JOHN TYNDALL. More

PASSIONATE AND IMPORTANT LETTER BY THEODORE ROOSEVELT DEFINING THE NATURE OF THE PROGRESSIVE PARTY. More

THE SCARCE 1676 “PLAYERS’ QUARTO” AND FIRST DAVENANT EDITION. THE A. EDWARD NEWTON COPY. FIRST PRINTING, WITH FOUR-LINE IMPRINT. More