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George Barnard Grant (December 21, 1849 – August 16, 1917) was an American mechanical engineer, inventor, entrepreneur and botanist. [1] He is notable for having made important contributions to 19th-century mechanical calculators , for pioneering new techniques in gear making, and for starting several successful companies.
Alfred Deacon of London in c. 1862 produced a small difference engine (20-digit numbers and third-order differences). [17] [23] American George B. Grant started working on his calculating machine in 1869, unaware of the works of Babbage and Scheutz (Schentz). One year later (1870) he learned about difference engines and proceeded to design one ...
The London Science Museum's working difference engine, built a century and a half after Charles Babbage's design. In 1822, Charles Babbage presented a small cogwheel assembly that demonstrated the operation of his difference engine , [ 69 ] a mechanical calculator which would be capable of holding and manipulating seven numbers of 31 decimal ...
George B. Grant (1849–1917) – worked on improved calculators and gear industry pioneer; Nigel Gresley (1876–1941) – steam locomotive engineer, developed Gresley conjugated valve gear; Ravi Grover (born 1949) – Indian nuclear scientist and mechanical engineer; widely given credit for building India's nuclear bomb
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This machine, which he constructed with his son Edvard Scheutz, was based on Charles Babbage's difference engine. In 1851 they obtained funds from government to build an improved model, which was created in 1853 (was roughly the size of a piano), and subsequently demonstrated at the World's Fair in Paris, 1855 .
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The Difference Engine (1990) is an alternative history novel by William Gibson and Bruce Sterling. It is widely regarded as a book that helped establish the genre conventions of steampunk . It posits a Victorian-era Britain in which great technological and social change has occurred after entrepreneurial inventor Charles Babbage succeeded in ...