1834
For basic elements are considered here: - Input unit With his experience with the difference engine he knows that to build a machine like that the funding must come from his private funds. He succeeds in building a small model of the Analytical Engine. He asked the government whether he should continue with the Difference Engine or proceed with the new machine. It was eight years before the government advised him that regretfully they must abandon the project. They had spent 17,000 pounds with nothing to show. Babbage had spent a comparable amount of his own money
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It
was at this point, 1834, that Babbage had an idea for a completely different
machine -- one that would operate more rapidly and have far more extensive
powers than the Difference Engine.