This is an introduction to the first steam engines and the inspired designs and concepts that allowed them to work. Some of the ... so-called Miner's Friend. The principle of the engine, he ...

Heron, the great inventor of Alexandria, described in detail what is thought to be the first working steam engine. He called it an aeolipile ... resulting in rotation of the ball. The principle he ...

IN this work the author treats of the application of the principles of mechanics to the design of the parts of a steam-engine of any type or for any duty. He acknowledges that he has culled as ...

To make such an engine work, valves are required to allow steam to flow into alternating sides of the piston to let it reciprocate continuously. A simple slide valve is used, allowing steam to ...

Repeating this process caused the rocker beam to rock up and down: a working steam engine. Newcomen's 1712 ... t the only one to stumble on the basic principle driving his design.

The micro-engine can be seen only under a microscope The world's smallest working "steam engine" has been ... "We wanted to understand how such a basic principle works, and if it works at all ...