Demonstration Motor - St. Louis
For the study of the fundamental principals of electric motor and generators.
The motor consists of a two pole D.C. armature. The brush holder, with two heavy binding post terminals, may be rotated for experiments. The permanent bar magnets are supported by spring brass clamps which are unadjustable in the horizontal plane to show the effects of pole separation. Complete with two bar magnets, a two pole DC armature.