Circa 1895 Siemens Style Unipole Gramme Dyno. This Super Cool Motor Runs And Features The Use Of A Single Magnetic Pole In The Generator Which Was Intended To Simplify The Construction Of The Generator And Improve Its Efficiency, A Gramme Ring Armature Intended For It's High Efficiency And Low Resistance, And Direct Current Output To Power Electrical Systems And Machinery.
Dimensions:
Height: 6.0"
Width: 10"
Depth: 7.0"