This medieval elevator shows the use of two simple machines: wheel and axle on the right, and a pulley on the left. "An elevator of the Middle Ages. History tells us this form of elevator was used in monasteries for hoisting passengers and supplies." -Hill, 1921

Early Elevator

This medieval elevator shows the use of two simple machines: wheel and axle on the right, and a pulley…

Illustrations showing the six mechanical powers: lever, wheel and axle, pulley, inclined plane, wedge, and screw.

Simple Machines

Illustrations showing the six mechanical powers: lever, wheel and axle, pulley, inclined plane, wedge,…