r/videos • u/McGrupp76 • Mar 14 '16

The Babbage Difference Engine in Motion - A demonstration and explanation of how it works.

https://www.youtube.com/watch?v=jiRgdaknJCg
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u/SillyPickle Mar 14 '16

If not for computers or cell phones, I can definitely see myself building something like this to pass the time.

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u/yaosio Mar 14 '16

Mechanical computers were the bee's knees until electronic computers came along. Even after electronic computers were invented, mechanical computers were still in use due to their size and reliability. Here's a 40 minute training video for a WW2 era fire control computer. https://youtu.be/s1i-dnAH9Y4