From Archimedes, Pulleys & Hex Nuts, to an Aussie Invention: The Segnut.
I always thought that the pulley was one of Archimedes’ many inventions. I was wrong.
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Archimedes' Greatest Inventions And Discoveries
Archimedes' Greatest Inventions And Discoveries
From Archimedes, Pulleys & Hex Nuts, to an Aussie Invention: The Segnut.