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 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. An engine indicator is an instrument ...

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 ...

James Watt innovated on the Newcombe steam engine by placing a separate condenser for which he was granted a patent in 1769. This innovation increased the efficiency of the steam engine by 75 percent.