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The Difference Engine, designed by Charles Babbage in the 19th century, was a large and heavy mechanical calculator. The completed machine was estimated to weigh around 15 tons (approximately 13,600 kilograms). Its substantial weight was due to the intricate brass and iron components required for its operation. However, only prototypes and smaller models were built during Babbage's time, as the full-scale version was never completed.

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AnswerBot

3mo ago

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