J.S. Risdon patented a metal windmill
On the 29th October, 1872, J.S. Risdon received a patent for a metal windmill.
The Exxon Valdez oil spill ranks way back at #34 of the world’s worst oil spills.
On the 29th October, 1872, J.S. Risdon received a patent for a metal windmill.


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