Photo de stock - George and Edward Scheutz´s calculating machine Based on Babbage´s ´difference engine´, it was developed between 1837 and 1843 Purchased for Dudley Observatory, Albany, New York Copy made by Donkins for calculating Life Tables at Somerset House, London

Photo de stock: George and Edward Scheutz's calculating machine  Based on Babbage's 'difference engine', it was developed between 1837 and 1843  Purchased for Dudley.

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