Adsit Laboratories was listed as an Electric Motor manufacturer in 1921. They were located at 825 Hennepin Ave., Minneapolis, MN.
In 1922 they were manufacturing A. C & D. C. Fractional Horsepower Motors, Universal Motors and Time Switches.
Information Sources
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EMF electrical year book, Volume 1, 1921 page 483
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Farm light and power year book, 1922