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William Galbraith (mathematician)

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Scottish mathematician

William Galbraith's grave, Grange Cemetery

Rev William Galbraith (1786 – 27 October 1850) was a Scottish mathematician. He taught mathematics and nautical astronomy in Edinburgh, and took an interest in surveying work, becoming an advocate of the extension of the work of triangulating Great Britain.

Early life

He was born at Greenlaw, Berwickshire. Initially he was a schoolmaster. His pupil William Rutherford walked long distances to attend his school at Eccles. Subsequently, he moved to Edinburgh, and graduated A.M. at the University of Edinburgh in 1821.

Surveyor

During the 1830s Galbraith became interested in the surveying problems of Scotland. In 1831 he pointed out that Arthur's Seat had a strongly magnetic peak. In 1837 he pointed out the impact of anomalies in measurement, work that received recognition; it was topical because of the 1836 geological map of Scotland by John MacCulloch, with which critics had found fault on topographical as well as geological grounds. A paper on the locations of places on the River Clyde was recognised in 1837 by a gold medal, from the Society for the Encouragement of the Useful Arts for Scotland.

Galbraith followed with detailed Remarks on the Geographical Position of some Points on the West Coast of Scotland (1838). Having made some accurate surveys of his own, he lobbied for further attention from the national survey.

Galbraith's pocket-box circle, an invention for portable surveying.

Later life

About 1832 Galbraith was licensed a minister by the presbytery of Dunse. He married Eleanor Gale in 1833.

Galbraith was buried with his wife in the north-east section of the Grange Cemetery in Edinburgh.

Works

Galbraith's major works combined textbook material with mathematical tables:

  • Mathematical and Astronomical Tables (1827): review.
  • Trigonometrical Surveying, Levelling, and Railway Engineering (1842)

He edited John Ainslie's 1812 treatise on land surveying (1849), and with William Rutherford revised John Bonnycastle's Algebra.

Notes

  1. ^ "National Museums of Scotland - Rule (Detail)".
  2. "Biographical notices of Mr. William Galbraith". Monthly Notices of the Royal Astronomical Society. 11 (4): 86. 1851. Bibcode:1851MNRAS..11...86.. doi:10.1093/mnras/11.4.67a.
  3. ^ Royal Astronomical Society (1851). Memoirs. Society. pp. 194–. Retrieved 6 November 2012.
  4. "The topographical, statistical, and historical gazetteer of Scotland". 1848.
  5. Kaiserl. Akademie der Wissenschaften in Wien (1851). Almanach der Kaiserlichen Akademie der Wissenschaften für das Jahr . Harvard University. Wien : K.K. Hof- und Staatsdruckerei.
  6. Cumming, David A. "MacCulloch, John". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/17412. (Subscription or UK public library membership required.)
  7. The Edinburgh Philosophical Journal. Constable. 1837. pp. 1–. Retrieved 6 November 2012.
  8. The Edinburgh New Philosophical Journal. A. and C. Black. 1838. pp. 300–. Retrieved 4 May 2012.
  9. "Monuments and monumental inscriptions in Scotland".
  10. William Galbraith (1827). Mathematical and Astronomical Tables. Retrieved 4 May 2012.
  11. Robert Jameson; Sir William Jardine; Henry Darwin Rogers (1827). The Edinburgh New Philosophical Journal: exhibiting a view of the progressive discoveries and improvements in the sciences and the arts. A. and C. Black. pp. 404–. Retrieved 4 May 2012.
  12. "Trigonometrical surveying, levelling, and railway engineering". 1842.
  13. "A treatise on land surveying [ed.] by W. Galbraith". 1849.
  14. "Rutherford, William" . Dictionary of National Biography. London: Smith, Elder & Co. 1885–1900.

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