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 ...

In 1859, an event as significant as the advent of the wheel took place in Etienne Lenoir's workshop. The Belgian inventor converted a steam engine to ignite a mix of air and coal gas via a two-stroke ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This model was filed with the ...