IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Nameplate: "Continuous Current Motor; ...

A small bi-polar direct current machine of Edison's design, with an armature rotating in a magnetic field from pole pieces energized by two field magnets set above the armature. A pulley wheel is on ...

Part 1 in a series of articles on motor control design starts with an introduction to motors and controllers. Electric motors consume almost half of the electricity produced worldwide. They, in fact, ...