Perhaps the humble block and tackle — multiple parallel pulleys to reduce the effort of lifting — is not such a common sight as it once was in this age of hydraulic loaders, but it rema… ...

Perhaps the humble block and tackle — multiple parallel pulleys to reduce the effort of lifting — is not such a common sight as it once was in this age of hydraulic loaders, but it remains a ...

The ParaPull is an ingenious block and tackle pulley system scaled down to work with common 550 paracord. It fits in your pocket and gives you a 6:1 mechanical advantage over any heavy object ...

The comparison to the block and tackle pulley system in Venice highlights the importance of simplicity in compliance programs. Sometimes, the old-fashioned way can be the most effective way.