Babbage Engines, Difference, Demonstration Demonstration model ofÊ BabbageÕs Difference Engine No 1, 19th century

2887 × 3504 px | 1 MB

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UIS5081430

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Babbage Engines, Difference, Demonstration Demonstration model ofÊ BabbageÕs Difference Engine No 1, 19th century

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Babbage Engines, Difference, Demonstration Demonstration model ofÊ BabbageÕs Difference Engine No 1, 19th century. This model of Difference Engine No 1 was built by Henry Prevost Babbage (1824-1918) from the designs of his father, British computing pioneer Charles Babbage (1791-1871). This was one of approximately six demonstration models of the calculating mechanism of Difference Engine No 1 built by Henry after his father's death, using unused parts from the original. Charles Babbage conceived the idea of building an automatic calculating machine which would eliminate the inaccuracy that occurred when compiling mathematical tables by hand. Never built during Charles Babbage's lifetime, it was a decimal digital machine - the value of a number being represented by the positions of toothed wheels marked with decimal numbers. ©SSPL/Science Museum

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SSPL/UIG / Bridgeman Images

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	尺寸 [像素]	300dpi分辨率下的尺寸 [毫米]	文件大小 [MB]	在线购买
大型	2887 × 3504 px	244 × 297 mm	1.2 MB
中型	844 × 1024 px	71 × 87 mm	889 KB