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A fascinating mechanical digital calculator

State of the art in 1948. Called the Curta. The only mechanical digital "pocket" calculator ever made. It can be used to perform addition, subtraction, multiplication,
division, and (with more difficulty) square roots and other operations.

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Added: Oct-8-2012 
By: RickBond
In: Creative, Other Entertainment, Science and Technology, History, Other
Tags: mechanical, calculator
Marked as: approved
Views: 2594 | Comments: 51 | Votes: 10 | Favorites: 7 | Shared: 1 | Updates: 0 | Times used in channels: 2
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