print email comment close Calculating Machines URL: http://www.webcom.com/calc/ Description: Features history and photographs of mechanical calculating machines as well as advertisements, with descriptions, from 1937-1954. Discusses adding machines, calculators, and the earlier devices the abacus and slide rule. Features a bibliography and related sites. From a collector of scientific instruments. Author: Kaplan, Erez Library of Congress Subject Headings: Calculators -- Collectibles Calculators -- History LII Database Information: Record 5917 created by Carole Leita on 02/14/2001 Last modification on 07/08/2008 Published: 02/14/2001   Funding agency: California State Library LII Item ID: http://lii.org/cs/lii/view/item/5917