Matches in DBpedia 2016-04 for { ?s ?p "Alexander Mitchell, (13 April 1780 – 25 June 1868) was an Irish engineer who from 1802 was blind. He is known as the inventor of the screw-pile lighthouse. Born in Dublin, his family moved to Belfast while he was a child, and he received his formal education at Belfast Academy - where he excelled in mathematics.Originally working in brickmaking in Belfast, he invented machines used in that trade, before patenting the screw-pile in 1833, for which he would later gain some fame."@en }
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- Alexander_Mitchell_(engineer) comment "Alexander Mitchell, (13 April 1780 – 25 June 1868) was an Irish engineer who from 1802 was blind. He is known as the inventor of the screw-pile lighthouse. Born in Dublin, his family moved to Belfast while he was a child, and he received his formal education at Belfast Academy - where he excelled in mathematics.Originally working in brickmaking in Belfast, he invented machines used in that trade, before patenting the screw-pile in 1833, for which he would later gain some fame.".
- Q2642683 comment "Alexander Mitchell, (13 April 1780 – 25 June 1868) was an Irish engineer who from 1802 was blind. He is known as the inventor of the screw-pile lighthouse. Born in Dublin, his family moved to Belfast while he was a child, and he received his formal education at Belfast Academy - where he excelled in mathematics.Originally working in brickmaking in Belfast, he invented machines used in that trade, before patenting the screw-pile in 1833, for which he would later gain some fame.".