A block and tackle system was sometimes used to lift the sails up using a range of pulleys. There’s a point when the rope goes as far as it’s going to go when using this system, and seamen ...

Pulley systems ease lifting with ropes over wheels. ... This is called a block and tackle and is used to lift large, difficult-shaped objects, such as furniture.

A block and tackle system was sometimes used to lift the sails up using a range of pulleys. There’s a point when the rope goes as far as it’s going to go when using this system, and seamen were ...

A block and tackle system was sometimes used to lift the sails up using a range of pulleys. There’s a point when the rope goes as far as it’s going to go when using this system, ...