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FIRST EDITION IN ORIGINAL WRAPPERS of Dirac’s general transformation theory, his own favorite paper and “the pinnacle of Dirac's development of quantum mechanics,” unifying “all proposed versions of quantum mechanics, as well as giving rise to a continuum of other possible versions” (Richard Dalitz).
Price: $4,200 .
ADA LOVELACE’S PERSONAL ANNOTATED COPY OF CHARLES BABBAGE’S FIRST SIGNIFICANT PUBLICATION. A MAJOR MATHEMATICAL TEXT IMPORTANT FOR HER INTELLECTUAL DEVELOPMENT. WITH AT LEAST 35 INK ANNOTATIONS IN LOVELACE’S HAND – THE MAJORITY CORRECTIONS TO MATHEMATICAL EQUATIONS – AND AT LEAST 18 PENCIL ANNOTATIONS IN THE HAND OF HER TUTOR.....
Price: $135,000 .