A LONG LETTER TO A FELLOW PHOTOGRAPHER WITH REVEALING TECHNICAL INFORMATION ABOUT THE PHOTOGRAPHIC PROCESS. More

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

MARGARET BOURKE-WHITE SHARES HER EXCITEMENT AT MOVING INTO HER NEW OFFICE AT THE CHRYSLER BUILDING, A BUILDING THAT HELPED SHAPE AND DEFINE HER CAREER. More

FIRST EDITION, THE PRESUMED FIRST ISSUE, COMPLETE WITH THE EIGHT SUPPRESSED PLATES AND ORIGINAL SPIRAL BINDING. More

SIGNED LIMITED DELUXE EDITION, NUMBER 36 OF ONLY 100 COPIES, COMPLETE WITH SIX LARGE (62 x 40 cm) PLATES, EACH SIGNED BY THE ARTIST. More

THE RETURN OF MARTIN GUERRE — THE VERY RARE FIRST EDITION OF THE JUDGE’S FIRST-HAND ACCOUNT OF A SENSATIONAL SIXTEENTH-CENTURY TRIAL FOR IDENTITY THEFT; THE BASIS OF NUMEROUS LITERARY, DRAMATIC, AND CINEMATIC ADAPTATIONS. More

EINSTEIN OFFERS STRONG AND PRESCIENT WORDS OF ENCOURAGEMENT TO THE LEADER OF THE NAACP IN THE FIGHT AGAINST RACISM AND SEGREGATION IN THE UNITED STATES. 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

A LONG, EARLY, AUTOGRAPH LETTER BY FLAUBERT TO HIS MUSE LOUISE COLET, WITH REVEALING REFLECTIONS ON LIFE AND ART. 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

THE RARE FIRST EDITION OF THE BOOK THAT INTRODUCED THE IDEA OF “SIX DEGREES OF SEPARATION” AS A FUNDAMENTAL CHARACTERISTIC OF SOCIAL NETWORKS. More