Electric motor used by James Joule, c.1860. Armature original but the rest may be replica. This simple electric motor was used by the scientist James Joule for experiments about energy. Joule was a ...

Joule set up a laboratory in the cellar of the family home. He began a series of experiments on the nature of energy and published the findings that became known as Joule's first law in 1840.

Joule set up a laboratory in the cellar of the family home. He began a series of experiments on the nature of energy and published the findings that became known as Joule's first law in 1840.