DescriptionUniversalmotorcommutator.jpg English: Closeup of an electric motor from a vacuum cleaner, showing the commutator. This is a universalmotor that
org/licenses/by-sa/3.0CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue English Rotor of universalmotor German Rotor eines Universalmotors
DescriptionRight Motor Internal.JPG English: Disassembled 4 pole universal electric motor, showing commutator on rotor (segmented cylinder, bottom) and