Dies ist eine alte Version des Dokuments!
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Trial portion of Difference Engine No. 1 (1832)
(6-digit numbers and 2nd-order differences, while the full machine was designed for 20-digit numbers and 6th-order differences)
designed by Charles Babbage
on display at Science Museum, London
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Difference Engine No.2 (Serial No.1)
(31-digit numbers and 7th-order differences)
designed by Charles Babbage 1849
first built at Science Museum 1991 (without printer)
completed at Science Museum 2002 (including printer)
on display at Science Museum, London
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A demo of Charles Babbage's Difference Engine No.2 (Serial No.2) at Computer History Museum, Mountain View, CA, by Robert Scoble 2010
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Analytical Engine trial model (1871)
designed by Charles Babbage (1834-1871)
on display at Science Museum, London
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Augusta Ada Byron (1815 - 1852)
Countess of Lovelace
Oil painting by Margaret Carpenter, 1836
on display at special exhibition in Science Museum, London (2015)
(otherwise on display at No. 10, Downing Street, London)