Title :
An Early (1844) Key-Driven Adding Machine
Author_Institution :
Univ. of Nancy, Nancy
Abstract :
This article presents Jean-Baptiste Schwilgue´s 1844 adding machine, which was equipped with a number of unique features, in particular with what was apparently the first numerical keyboard.
Keywords :
calculating apparatus; history; keyboards; key-driven adding machine; numerical keyboard; Application software; Clocks; Extraterrestrial measurements; Helium; Keyboards; Mathematics; Particle measurements; Telephony; Weight measurement; Wheels; adding mechanism; carrying; keyboard;
Journal_Title :
Annals of the History of Computing, IEEE
DOI :
10.1109/MAHC.2008.1
