Daniel McFarland Cook's, Electro-Magnetic Battery

Over a hundred and thirty years ago Daniel McFarland Cook of Mansfield, Ohio patented an "Electro-Magnetic Battery" that he stated "produces a constant current without the aid of a galvanic battery". His patent number 119,825 was issued on October 10, 1871. Did he really make something that continuously produced electricity? This was eight years before Edison invented the light bulb. Did he actually build this, or was it just an idea that in reality does not work?
This is of his patent.

taken from - http://my.voyager.net/~jrrandall/CookCoil.htm

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