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A History of Computers > 
Gear yourself up for a GREAT History of Computers! Tetrapod, tally system, bones, first place-value number system, abacus, Aristotle, Tree of Porphyry, Ramon Lull, Ars Magna, Ockham, water clock, Leonardo da Vinci, John Napier, Napier's Bones, slide rule, Wilhelm Schickard, mechanical calculator, Blaise Pascal, Arithmetic Machine, Gottfried von Leibniz, Step Reckoner, first English typewriter, Jonathan Swift, Gulliver's Travels, Jacquard, Charles Stanhope, Stanhope Demonstrator, Charles Babbage, Difference Engine, Charles Wheatstone, Analytical Engine, Georg Scheutz, Samuel Morse, electric telegraph, George Boole, Boolean Algebra, Joseph Wilson Swan, Lewis Carroll, William Stanley Jevons, Jevons' Logic Machine, Sholes, incandescent light bulb, Baudot Code, Allan Marquand, Thomas Alva Edison, Edison Effect, John Venn, Venn Diagrams, Herman Hollerith, tabulating machines, John Ambrose Fleming, Lee de Forest, Vannevar Bush, Dvorak, George Robert Stibitz, Complex Number Calculator, Alan Turing, Turing Machine, Claude Shannon
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