DC motors may not be the wave of the future, but they certainly have a secure place in today’s workplace (see DC Isn’t Dead). Therefore, it’s worthwhile for electrical professionals to take a look at ...

No extant markings. A radial armature with five permanent magnets is mounted above a cylindrical electromagnet that is covered with black painted cloth. The armature axis is perpendicular to the axis ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Stamped brass tag reads: " A. Van ...