The Little Engines that Could've: The Calculating Machines of Charles Babbage

added addition Analytical Engine Astronomical Society August axes axis Babbage Difference Engine Babbage wrote Babbage's Calculating Engines Babbage's Letter barrels Buxton cage calculating machines carriage mechanism central wheels Chapter Charles Babbage clear Clement column Combinatorial Cards complete computers construction contrived corresponding dated December December 13 discussed divisor Donkin drawings Duke of Wellington earlier Edward Bromhead executed expense February Figure Wheel function further given Goulburn Henry idea important interest invention Joseph Clement Joseph Whitworth July Lady Lovelace levers London Lord Lord Goderich machinery material mathematical mechanical notation Menabrea method Mill multiplication November October operation cards order of difference paper Philosopher pinions plans possible principle published replied reprinted in B.C.E. result Royal Society Scheutz Difference Engine Scheutz machine Science Museum Scribbling Book second difference South Kensington Store subtracted suggested transcendental functions Treasury Turin turned Variable Cards volume zero