The Busy Shore: The Block and Tackle System

The author explains how a block and tackle system multiplies human strength and illustrates a number of uses for them.

Adkins - busy shore - winch
Aboard ship, a winch is often the source for raw power. With a snatch block, the power can be transmitted and directed for almost any purpose. Sailors regularly run aground, and almost as regularly kedge themselves off with their own winches.
MOTHER EARTH NEWS STAFF