Benjamin Franklin created a pulley system so he could lock and unlock his bedroom door from his bed. – WTF Fun Facts
Source: https://granburytheatrecompany.org/top-10-of-ben-franklins-lesser-known-feats-of-awesomeness/
WTF Fun Fact – Pulley System
Benjamin Franklin created a pulley system so he could lock and unlock his bedroom door from his bed. – WTF Fun Facts
Source: https://granburytheatrecompany.org/top-10-of-ben-franklins-lesser-known-feats-of-awesomeness/