IBM computation proceedings from the December 1949 seminar, recording the emerging methods and applications of high speed computation as mathematicians, scientists, and IBM engineers worked across electronic calculation, punched card machinery, numerical analysis, Monte Carlo methods, and statistical computation. Held at IBM’s Department of Education in Endicott, New York, from.....

[Engineering][Invention and Business] Felt, Dorr Eugene. British Patents for Improvements in Calculating Machines (1900–1904) document the development of one of the earliest commercially successful key-driven mechanical calculators, reflecting the rapid mechanization of clerical labor at the turn of the twentieth century. These patents relate to the Comptometer, first introduced in.....

Megabit Communications, Inc. corporate scrapbook album, circa 1982 to 1989, documenting the development and commercialization of high speed data communications equipment designed to extend connections between IBM mainframe computers and peripheral devices beyond conventional channel distances. Founded in the St. Paul, Minnesota area by James Milligan, formerly of Network Systems.....

California Computer Products corporate newsletter run from 1976, documenting CalComp’s expansion from the computer plotters that established its early reputation into disk storage, automated tape libraries, printers, and integrated peripheral systems for corporate and scientific computing. The six issues follow the company’s products into working installations at ARCO, Getty Oil.....

Emmanuel Goldstein’s 2600: The Hacker Quarterly across nine issues from 2001 to 2011, documenting the movement of hacker culture from telephone systems, desktop computing, and the early commercial Internet toward broadband, wireless networks, social media, smartphones, biometrics, and electronic surveillance. Founded in 1984, 2600 developed from phone phreaking culture into.....

Hacker and phone phreaker periodical archive from 1996 to 2005, documenting the movement of underground technical culture from telephone networks, bulletin board systems, radio frequencies, and physical communications infrastructure toward wireless networking and Internet era security. Blacklisted! 411 developed from a Southern California hacker publication whose history extended back to.....

[Space and Aviation] [Military] LeGalley, Donald P., ed. Ballistic Missile and Space Technology: Fifth Symposium on Ballistic Missile and Space Technology – Invited Addresses. New York and London: Academic Press, 1960. First edition. 4to. Volume IV (of four), titled Re-entry and Vehicle Design. 46 pages. Brown cloth boards with gilt.....

Four women engineers at NASA, photographed in uniform during the development of the American space program. Women contributed to NASA's early missions as mathematicians, human computers, engineers, and technical specialists, performing calculations, analyzing flight data, and supporting spacecraft development and mission operations. Their work was particularly consequential during the Mercury.....