WTF Fun Fact – Pulley System (WTF Facts : funny & weird facts) #historyfacts
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WTF Fun Fact – Pulley System (WTF Facts : funny & weird facts) #historyfacts





WTF Fun Fact – Pulley System

Benjamin Franklin created a pulley system so he could lock and unlock his bedroom door from his bed. – WTF ... Read More & Source The post WTF Fun Fact – Pulley System appeared first on WTF Facts.

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