Calculating Machines


Subject:
Mathematics , Collectors & Collecting , Calculators , Collectibles

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.

Creator:
Kaplan, Erez

Language:
English

Source:
http://www.webcom.com/calc/


PID= res:lii-5917