From Archimedes, Pulleys & Hex Nuts, to an Aussie Invention: The

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I always thought that the pulley was one of Archimedes’ many inventions. I was wrong.

From Archimedes, Pulleys & Hex Nuts, to an Aussie Invention: The Segnut.

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From Archimedes, Pulleys & Hex Nuts, to an Aussie Invention: The Segnut.

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