③ Enchanting Numbers▪On computers’ invention as mechanical calculators

Computing began long before the twentieth century. Mechanical calculators ran on cogs, wheels, and steam engines.

Padua, Sydney

The Thrilling Adventures of Lovelace and Babbage Book

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MechanicalComputing,

How the Pascaline works Online

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Scoble, Robert

A demo of Charles Babbage's Difference Engine Online

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