Clipart illustrations of multiple simple machines used simultaneously to complete a task, as well as lists of all simple machines.
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Elevator, Early
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 ... |
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Simple Machines
Illustrations showing the six mechanical powers: lever, wheel and axle, pulley, inclined plane, wedge, and screw.... |
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Simple machines, combined
"A combination of all of the simple machines." -Comstock 1850... |