User:Robert W King/Sandbox: Difference between revisions
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==Test of timeline== | ==Test of timeline== | ||
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<pre> | <pre> | ||
Revision as of 11:28, 21 May 2007
Test of timeline
?? B.C. Slamis Tablet 300 B.C. - 500 A.D. Roman Hand Abacus Circla 1200 A.D. modern Chinese Abacus ?? A.D. the Codex Madrid written by Leonardo Da Vinci 1642 Pascal invents the Pascaline 1821 Babbage creates the Difference Engine No. 1 ?? Babbage creates the Analytical Engine 1884 Hollerith's Electric Tabulating System 1890 Hollerith improves his system by adding a keyboard 1936-1938 Konrad Zuse creates the Z1 1936-1939 Z2 1939-1941 Z3 1943 First Colossus prototype by Tommy Flowers 1944 Construction of ASCC, or Harvard Mk I by Howard Aiken 1946 ENIAC construction complete Orders from Churchill to destroy all 10 Colossus machines 1951 UNIVAC delivered to the census bureau 1952 EDVAC becomes operational |
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|→?? B.C. : - Slamis Tablet THIS TEXT RUNS OVER THE IMAGE TABLE/INFOBOX ON THE RIGHT | |-- 300 B.C. - 500 A.D. : Roman Hand Abacus | |-- ~1200 A.D. : modern Chinese abacus | |> ?? B.C. : Codex Madrid | |> 1642 : Pascaline |