FIRST EDITION of the first report on COBOL, the first computer programming language designed to run on all computers, regardless of make or model. With over a hundred pages of extremely rare related material. More about COBOL: Initial specifications for a COmmon Business Oriented Language

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 about Disquisitio de Attractionibus Electivis [Dissertation of Elective Attractions

FIRST EDITION, COMMERCIAL OFFPRINT ISSUE, of Einstein’s breakthrough work on general relativity: the famous “Entwurf” paper. More about Entwurf einer verallgemeinerten Relativitätstheorie und einer Theorie der Gravitation. [Outline...

FEYNMAN GIVES ADVICE TO LECTURE SERIES COMMITTEE CHAIR OFFERING REVEALING AND QUINTESSENTIALLY FEYNMAN ADVICE: "A good man interested in his work, and not a quack trying to sound important is what you need." More about Typed Letter Signed [TLS

A LANDMARK IN COMPUTER SCIENCE: FIRST EDITION OF JEVONS’S PRESENTATION AND EXPLANATION OF HIS “LOGICAL PIANO”, THE FIRST MACHINE TO SOLVE A MATHEMATICAL PROBLEM AT SUPERHUMAN SPEED. More about On the Mechanical Performance of Logical Inference [The Logical Piano