Predicting the Tides: Old Brass Brains

Mechanical computers are complex machines designed to do various functions, but which worked entirely without electricity. Among the most interesting and complex was a machine used by the US Coast and Geodetic Survey, called affectionately “Old Brass Brains.”

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This is original content based on research by The History Guy. Images in the Public Domain are carefully selected and provide illustration. As very few images of the actual event are available in the Public Domain, images of similar objects and events are used for illustration.

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Script by JCG

#history #thehistoryguy #Computers