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 EDITION OF THE FIRST WESTERN BOOK ON BUDDHISM. 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

FIRST EDITION OF DICKENS’S FIRST GREAT SUCCESS: AN EXTRAORDINARY COPY CREATED FOR DICKENS’S SON, ALFRED TENNYSON DICKENS. BOUND BY SANGORSKI AND SUTCLIFFE WITH TWO MAGNIFICENT COSWAY-STYLE MINIATURES OF DICKENS AND EXTRA-ILLUSTRATED WITH 78 ORIGINAL WATERCOLOR DRAWINGS BY KYD. ALSO WITH A SIGNED CHECK BY DICKENS. More

A CRITICAL MOMENT IN THE DISCOVERY OF GENERAL RELATIVITY: AUTOGRAPH LETTER SIGNED TO LUDWIG HOPF FROM 1913 WHERE EINSTEIN ABANDONS THE REQUIREMENT OF GENERAL COVARIANCE. More

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

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, THE PRINTER JACQUES GROU-RADENEZ’S COPY, WITH TWO LONG PERSONAL INSCRIPTIONS BY HUGNET. WITH COVER MY MARCEL DUCHAMP. ONE OF ONLY 294 COPIES IN THE EDITION; AN OUT-OF-SERIES COPY LABELED “EXEMPLAIRE NO. G.H.”. More

ONE OF THE FINEST C.S. LEWIS LETTERS TO APPEAR ON THE MARKET, OFFERING INSIGHT INTO THE CREATION OF THE CHRONICLES OF NARNIA. WITH MENTION OF TOLKIEN’S “THE HOBBIT” AS A FAVORITE BOOK. More

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

RARE 1726 THIRD EDITION OF NEWTON'S PRINCIPIA, THE LAST EDITION EDITED BY NEWTON AND THE BASIS FOR ALL SUBSEQUENT EDITIONS. ONE OF ONLY 1250 COPIES PRINTED. More

FIRST EDITION of arguably the most important source book for the works of the Greek mathematicians. The magnificent Horblit copy in contemporary (probably original) boards. More