George I. Deforce
From Kook Science
George I. DeForce (c. 1863 - September 12, 1924) was an American labourer and blacksmith who, while resident at Sioux City, Iowa, invented what he called a perpetual motion machine in 1889, receiving local press attention and sponsorship from Rev. Joseph W. Rees, a pastor of the Immanuel Baptist Church. Nothing further regarding the design nor what became of the work was disclosed after the initial interest had faded, and DeForce himself left the town not long after.
- "HAS A BONANZA. A Sioux City Man Has a Perpetual Motion Machine.", The Oshkosh Northwestern (Oshkosh, WI): 1, 1 Mar. 1889, https://www.newspapers.com/clip/121123652/has-a-bonanza-a-sioux-city-man-has-a/
- "HARDLY PERPETUAL. The George I. DeForce Invention Said Not to Be Perpetual Motion, but the Next Thing to It — Rev. Mr. Rees Reticent.", Sioux City Journal (Sioux City, IA): 6, 14 Mar. 1889, https://www.newspapers.com/clip/121123848/hardly-perpetual-the-george-i/
- "An inventor named De Force, of Sioux City, has perfected an apparatus which he claims has solved the problem of perpetual motion.", The Logan Republican (Logan, KS): 2, 21 Mar. 1889, https://www.newspapers.com/clip/121123719/an-inventor-named-de-force-of-sioux/