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Patent_ARC 594412_Flying Machine
08810_2003_001.tif Flying machine patent drawing by W.F. Quinby 10/5/1869
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Uploaded on Jul 29, 2011
Babbage's Microprogram Mechanism
From the Analytical Engine (c1842), the first programmable calculator with similar principles to the...
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Uploaded on Jun 2, 2011
Kircher: Automatic Music Machine
