A tool is usually more simple than a machine it is generally used with the hand, whilst a machine is frequently moved by animal or steam power.

Charles Babbage

More from: Charles Babbage
A tool is usually more simple than a machine it is generally used with the hand, whilst a machine is frequently moved by animal or steam power.

DOWNLOAD

You are free to use this picture for any purpose including commercial. A credit linking back to this page is appreciated.