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Allan A. Mills
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Journal Articles
Publisher: Journals Gateway
Leonardo (2008) 41 (1): 39–42.
Published: 01 February 2008
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ABSTRACT Leonardo da Vinci illustrated several traditional forms of “perpetual-motion machine” in small pocket books now known as the Codex Forster . He was well aware that these designs, based on waterwheel/pump combinations, mechanical overbalancing hammers or rolling balls, would not—and could not—work.
Journal Articles
Publisher: Journals Gateway
Leonardo (1999) 32 (2): 137–141.
Published: 01 April 1999