Matches in DBpedia 2014 for { ?s ?p George Brown (1650–1730) was a Scottish arithmetician, and inventor of two incomplete mechanical calculating machines now kept at the National Museum of Scotland. In 1698 he was granted a patent for his mechanical calculating device.He was minister of Stranraer, schoolmaster in Fordyce, Banffshire, and in 1680 schoolmaster at Kilmaurs, Ayrshire; invented a method of teaching the simple rules of arithmetic, which he explained in his Rotula Arithmetica, 1700.. }
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- George_Brown_(inventor) comment "George Brown (1650–1730) was a Scottish arithmetician, and inventor of two incomplete mechanical calculating machines now kept at the National Museum of Scotland. In 1698 he was granted a patent for his mechanical calculating device.He was minister of Stranraer, schoolmaster in Fordyce, Banffshire, and in 1680 schoolmaster at Kilmaurs, Ayrshire; invented a method of teaching the simple rules of arithmetic, which he explained in his Rotula Arithmetica, 1700.".