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From BLOG@CACM
More Replicas of Historical Calculating Machines Found
Documenting the discovery of several previously unknown replicas of historical computing devices made by Roberto A. Guatelli.
From BLOG@CACM
The Model Maker of Leonardo da Vinci, Blaise Pascal, and Charles Babbage
Discovery of a previously unknown replica of the legendary Swiss Millionaire calculating machine at Carnegie Mellon University in Pittsburgh, PA.
From BLOG@CACM
Did Albert Einstein Calculate on the 'Millionaire' in Zurich?
In 1897, ETH Zurich was the first university in the world to have a copy of the legendary four-species calculating machine Millionaire.12