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Aug 19, 746
Liang Ling-Can
Liang Ling-Can invents the first fully mechanical clock -
Period: Aug 19, 746 to
Computer History
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Aug 19, 1492
Leonardo da Vinci
Drawings by Leonardo da Vinci depict inventions such as flying machines, including a helicopter, the first mechanical calculator and one of the first programmable robots -
John Napier
John Napier invents a system of moveable rods (Napier's Rods) based on logarithms which was able to multiply, divide and calculate square and cube roots -
Calculating Clock
Invented by Wilhelm Schickard -
Blaise Pascal
Blaise Pascal invents the the "Pascaline", a mechanical adding machine