When an inventor has a unit of measurement named after him, it's clear his work had more than a small impact on scientific and industrial progress. So it was for James Watt, whose Watt engine is often ...

Reprint of "Directions for erecting and working the newly-invented steam-engines. By Boulton and Watt. [1779]" with reproduction of t.-p.: p. [373]-398 and 6 pl. on 3 l. "Directions for working ...

We stand on the shoulders of giants. Virtualization, cloud computing, smartphones -- they all came from somewhere. What's the greatest invention of the last 300 years? The telephone? Computer?