316-7365 CHM Monroe

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Monroie Calculator Keyboard - Monroie Calculator Keyboard - a column of keys for everey column of figures. I used one of these from my dad's work before I used any other calculator or computer.

Author: unknown
Created on: Saturday 8 September 2012
Posted on: Saturday 8 September 2012
Albums: 2011 September Bay Area Trip / September 24, 2011 Computer History Museum
Visits: 1016

Richard Hodgman's Photos

316-7365 CHM Monroe

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