112315-01
Origin of Modern Calculating Machines. A chronicle of the evolution of the principles that form the generic make-up of the modern calculating machine.
Chicago, Western Society of Engineers, 1921. - (23 x 15 cm). (2) 196 S. Mit zahlreichen mitpaginierten Tafeln. Grüner geprägter Original-Leinwandband.
Erste Ausgabe. - "Concentrates on key-driven adding machines, and on their printing mechanisms, based on the American patent literature. It covers developments by Parmalee, Felt, Barbour, Baldwin, Ludlum and Burroughs. The last chapter concerns direct multiplication mechanisms" (Randall). - Exlibris, sonst sauber und wohlerhalten. - Origins of Cyberspace 393; Randall S. 519
Origin of Modern Calculating Machines. A chronicle of the evolution of the principles that form the generic make-up of the modern calculating machine.
Chicago, Western Society of Engineers, 1921. - (23 x 15 cm). (2) 196 S. Mit zahlreichen mitpaginierten Tafeln. Grüner geprägter Original-Leinwandband.
Erste Ausgabe. - "Concentrates on key-driven adding machines, and on their printing mechanisms, based on the American patent literature. It covers developments by Parmalee, Felt, Barbour, Baldwin, Ludlum and Burroughs. The last chapter concerns direct multiplication mechanisms" (Randall). - Exlibris, sonst sauber und wohlerhalten. - Origins of Cyberspace 393; Randall S. 519
350 €