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Victorian-era calculator cranks away

The Computer History Museum in Mountain View, Calif., shows off its functioning Babbage Difference Engine.
1:17 /
Transcript
-See around the package, the mechanism is [unk]. -Babbage's time across was the time of the industrial revolution. And the human manual labor was being replaced by machineries powered by steam. They've used a method of computing by steam which is all these calculations that's been executed by the steam [unk] machinery. -So, when you had the hand crank that will be a chance for the steam--. -Actually, this design was designed to be hand cranked. -Okay. -Certainly. -Okay. -But you can't see it on other machine [unk] mechanical machine called the Analytical Engine, I think if he had built it, it would have been a full scale general program for the computer. That's what he would be aiming for.

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