Record

Authorised form of nameUnwin; William Cawthorne (1838 - 1933)
SurnameUnwin
ForenamesWilliam Cawthorne
Dates1838 - 1933
NationalityBritish
Dates and placesBirth:
Coggeshall, Essex, England (12 December 1838)
Death:
Kensington, London (17 March 1933)
ActivityProfession:
Engineer
Education:
City of London School (1848-1854); pupil of Sir William Fairbairn (FRS 1850). BSc, LLD
Career:
Manager of engineering works (1861-1968); Professor of Hydraulic Engineering, Royal Indian Engineering College, Cooper's Hill (1872-1885); Professor of Engineering, Central Institute, City and Guilds of London (1884-1904); involved in harnessing the water power of Niagara Falls for the provision of electricity; President, Engineering section, British Association; author of the article on hydraulics in the Encyclopaedia Britannica
Memberships:
MICE (President 1911); MIME (President 1915-1916)
Royal Society activityMembership:
Fellow
Election Date:
4/06/1886
RelationshipsSon of Rev William Jordan Unwin of Homerton College, and his wife Eliza Davey, daughter of John Bailey Tailor of Woodbridge; unmarried
SourcesSources:
Bulloch's Roll; DNB
Obituaries:
Obituary Notices of Fellows of the Royal Society 1932-1935 vol l pp 167-178, plate, by J S Wilson
Royal Society codeNA6842
Archives associated with this Fellow
Reference numberTitleDate
EC/1886/14Unwin, William Cawthorne: certificate of election to the Royal Society
IM/004701Unwin, William Cawthornend
AP/61/7On the Friction of Water against solid surfaces of different degrees of roughness1881
NLB/10/592Copy letter from Herbert Rix, to J B Mercer, Yew Bank, Lower Broughton Road, Manchester1 January 1895
NLB/11/16Copy letter from Herbert Rix, to Professor William Cawthorne Unwin, Fellow of the Royal Society3 April 1895
NLB/11/401Copy letter from Herbert Rix, to Lord Rayleigh [John William Strutt]21 June 1895
NLB/11/880Copy letter from Herbert Rix, to Professor William Cawthorne Unwin, Fellow of the Royal Society, 7 Palace Gate Mansions, Kensington, W. 25 October 1895
NLB/13/217Copy letter from Robert William Frederick Harrison, to Professor William Cawthorne Unwin, Fellow of the Royal Society6 July 1896
NLB/12/600Copy letter from Michael Foster, to Professor Charles Vernon Boys, Harold Baily Dixon, Rev Frederick John Smith and Professor William Cawthorne Unwin20 March 1896
RR/15/52Referee's report by William Cawthorne Unwin, on the Bakerian lecture 'The crytalline structure of metals' by James Alfred Ewing and Walter Rosenhain19 July 1900
NLB/14/191Copy letter from Theodore E James, to Professor Michael Foster, Secretary, Royal Society19 January 1897
RR/15/99Referee's report by William Cawthorne Unwin, on a paper 'The kinetic accumulation of stress, illustrated by the theory of impulsive torsion' by Karl Pearson2 August 1900
RR/15/186Referee's report by William Cawthorne Unwin, on a paper 'The elastic equilibrium of circular cylinders under certain practical systems of load' by Louis Napoleon George FilonJune 1901
RR/15/332Referee's report by William Cawthorne Unwin, on a paper 'The fracture of metals under repeated alternations of stress' by James Alfred Ewing and J C W Humfrey29 August 1902
RR/15/350Referee's report by William Cawthorne Unwin, on a paper 'Effects of strain on the crystalline structure of lead' by J C W Humphrey28 June 1902
RR/15/376Referee's report by William Cawthorne Unwin, on a paper 'A throw-testing machine for reversals of mean stress' by Osborne Reynolds and J H Smith20 April 1902
NLB/15/5Copy letter from Robert William Frederick Harrison, to Professor William Cawthorne Unwin, Fellow of the Royal Society3 June 1897
NLB/15/57Copy letter from Robert William Frederick Harrison, to Professor William Cawthorne Unwin, Fellow of the Royal Society15 June 1897
NLB/16/622Copy letter from Robert William Frederick Harrison, to Professor Unwin, Fellow of the Royal Society, Palace Gate Mansions, 29 Palace Gate, Kensington9 May 1898
NLB/17/566Copy letter from Theodore E James, to Messrs Harrison & Sons19 November 1898
NLB/19/28Copy letter from Robert William Frederick Harrison, to Professor William Cawthorne Unwin, Fellow of the Royal Society5 June 1899
NLB/15/809Copy letter from Arthur William Rucker, to the Secretary to the Board of Trade, Whitehall, S.W. 13 December 1897
NLB/25/139Copy letter from Theodore E James, to Professor William Cawthorne Unwin, Fellow of the Royal Society22 August 1902
NLB/31/87Copy letter from Robert William Frederick Harrison, to Professor William Cawthorne Unwin, Fellow of the Royal Society19 June 1905
NLB/31/71Copy letter from Robert William Frederick Harrison, to Professor William Cawthorne Unwin, Fellow of the Royal Society17 June 1905
NLB/36/257Copy letter from Robert William Frederick Harrison, to Professor William Cawthorne Unwin, Fellow of the Royal Society4 October 1907
NLB/35/417Copy letter from Robert William Frederick Harrison, to Professor William Cawthorne Unwin, Fellow of the Royal Society31 May 1907
NLB/36/295Copy letter from Robert William Frederick Harrison, to Professor William Cawthorne Unwin, Fellow of the Royal Society, Palace Gate Mansions, 29 Palace Gate, Kensington8 October 1907
NLB/38/274Copy letter from Robert William Frederick Harrison, to Professor William Cawthorne Unwin, Fellow of the Royal Society8 July 1908
RR/20/138Referee's report by William Cawthorne Unwin, on a paper 'The determination of elastic limits under alternating stress conditions' by C E Stromeyer12 December 1913
NLB/54/632Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [William Cawthorne] Unwin, FRS9 July 1917
RR/21/142Referee's report by William Cawthorne Unwin, on a paper 'The determination of fatigue limits under alternating stress conditions' by C E Stromeyer[April 1914]
RR/8/351Referee's report by Henry Charles Fleeming Jenkin, on a paper 'On the friction of water against solid surfaces of diffe­rent degrees of roughness' by William Cawthorne Unwin20 February 1881
RR/10/331Referee's report by William Cawthorne Unwin, on a paper 'The rupture of steel by longitudinal stress' by Charles A Carus-Wilson26 April 1890
RR/10/271Referee's report by William Cawthorne Unwin, on a paper 'On the conditions for effective scour in drain-pipes of circular section' by Henry Hennessy9 March 1889
NLB/55/297Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [William Cawthorne] Unwin, FRS18 February 1918
RR/12/414Referee's report by William Cawthorne Unwin, on a paper 'Iron and steel at welding temperatures' by T Wrightson15 March 1895
RR/12/329Referee's report by William Cawthorne Unwin, on a paper 'The kinematics of machines' by T A Hearson26 May 1895
RR/13/93Referee's report by William Cawthorne Unwin, on a paper 'On the structure of metals, its origin and changes' by M F Osmond and William Chandler Roberts-Austen8 July 1896
RR/14/167Referee's report by William Cawthorne Unwin, on a paper 'An experimental investigation of the thermodynamical properties of superheated steam.— On the cooling of saturated steam by free expansion' by John H Grindleynd [June 1899]
RR/8/262Referee's report by Osborne Reynolds, on a paper 'On the friction of water against solid surfaces of different degrees of roughness' by William Cawthorne Unwin27 November 1880
RR/11/70Referee's report by William Cawthorne Unwin, on a paper 'Note on the instability of India-rubber tubes and balloons when distended by fluid pressure' by Henry Reginald Arnulph Mallock17 April 1891
NLB/64/849Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Director [Joseph Ernest Petavel, FRS] of the National Physical Laboratory29 June 1923
NLB/71/908Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [William Cawthorne] Unwin, FRS5 December 1928
NLB/71/801Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Secretary, Institute of the Civil Engineers, Great George Street, SW15 November 1928
NLB/5/995Copy letter from Herbert Rix, to Professor William Cawthorne Unwin, Fellow of the Royal Society3 December 1891
NLB/11/159Copy letter from Dr Michael Foster, to Henry Cunningham, Home Office, Whitehall, S.W.4 May 1895
NLB/11/132Copy letter from Michael Foster, to; Professor James Dewar, Professor William Cawthorne Unwin, Professor Charles Vernon Boys, Reverend Frederick John Smith and Harold Baily Dixon, Fellows of the Royal Society26 April 1895
RR/17/367Referee's report by William Cawthorne Unwin, on a paper 'The elastic limits of iron and steel under cyclical variations of stress' by Leonard Bairstow8 May 1909
RR/13/273Referee's report by William Cawthorne Unwin, on a paper 'On the passage of heat between metal surfaces and liquids in contact with them' by Thomas Edward Stanton9 May 1897
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