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Alexander Mitchell

Alexander Mitchell, (April 13, 1780 Dublin - June 25, 1868) was a blind Irish engineer. He is known as the inventor of the screw-pile lighthouse. He received his formal education at a classical school in Belfast where he excelled in mathematics.

He was friendly with astronomer John Thomas Romney Robinson, and mathematician George Boole.

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Screw-pile lighthouse | Screwpile lighthouse

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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Alexander Mitchell".