BARLOW, PETER. _b._ parish of St. Simon, Norwich 13 Oct. 1776; mathematical master at Royal military academy Woolwich 1801; mathematical professor there to 1847 when he retired on full pay; gold medallist of Society of Arts 1821; F.R.S. 29 May 1823, Copley medallist 1825 for his discoveries in magnetism; F.S.A. 1829, F.R.A.S. 1829; a corresponding member of Academies of Brussells and Paris; one of Irish railway comrs. 19 Oct. 1836; invented method of compensating compass errors in ships whereby difficulty of navigation was in a great measure overcome, for which he received from board of longitude a grant of £500; contributed largely to _Encyclopædia Metropolitana_ and _Rees’s Encyclopædia_; author of _A new mathematical and philosophical dictionary_ 1814; _Essay on the strength of timber and other materials_ 1817, _6 ed._ 1867; _Essay on magnetic attractions_ 1820, _2 ed._ 1823. _d._ Old Charlton, Kent 1 March 1862. _Proc. of Royal Society xii_, 33–34 (1863); _Min. of proc. of Instit. of C.E. xxii_, 615–18 (1863). BARLOW, PETER WILLIAM (_elder son of the preceding_). _b._ 1800; A.I.C.E. 1826, M.I.C.E. 1845, Telford medallist 1845; engaged upon construction of Liverpool and Birmingham canal and the New London docks; resident engineer on London and Dover since called South Eastern railway; planned and executed Reading and Reigate and Tonbridge and Hastings branches 1841–46; designed and constructed Lambeth bridge opened 11 Nov. 1862, cheapest bridge in London, cost only £30,000; planned the Tower Subway opened Feb. 1870; F.R.S. 20 Nov. 1845. _d._ 56 Lansdowne road, Notting hill, London 20 May 1885. BARLOW, SIR ROBERT, 2 Baronet. _b._ Calcutta 24 Sep. 1797; in the Bengal civil service 1817 to death; succeeded 18 Dec. 1846. _d._ Hanover square, London 21 Jany. 1857. BARLOW, THOMAS WORTHINGTON (_only son of Wm. Worthington Barlow of Cranage, Cheshire_). barrister G.I. 14 June 1848; practised at Manchester; Queen’s advocate at Sierra Leone April 1856 to death; F.L.S. April 1848; author of _The mystic number, a glance at the system of nature_ 1852; _Memoir of W. Broome_ 1855; edited _The Cheshire and Lancashire historical collector 2 vols._ 1853–55. _d._ Freetown, Sierra Leone 10 Aug. 1856 aged 33. BARLOW, SIR WILLIAM OWEN, 8 Baronet (_only son of Wm. Owen, a brigadier general_). _b._ 11 April 1775; barrister M.T. 22 Nov. 1799, bencher 1838; tubman of Court of Exchequer 1809, postman 1815–1837; succeeded his uncle 4 Jany. 1817; attorney general for Carmarthen circuit many years; took name of Barlow 1844; lived in Fig tree court Temple 1799 to death. _d._ 5 Fig tree court 25 Feb. 1851. _G.M. xxxv_, 433 (1851).