Comptometer
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Comptometer
(kɒmpˈtɒmɪtə)n
(Mathematics) trademark a high-speed calculating machine: superseded by electronic calculators
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Comptometer
A desktop calculating machine used before World War II.
1001 Words and Phrases You Never Knew You Didn’t Know by W.R. Runyan Copyright © 2011 by W.R. Runyan