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Authorised form of nameLloyd; Humphrey (1800 - 1881)
Dates1800 - 1881
NationalityBritish
Place of birthDublin, Ireland
Date of birth16 April 1800
Place of deathThe provost's house, Dublin, Ireland
Date of death17 January 1881
OccupationClergyman
Research fieldNatural philosophy
Physical optics
Terrestrial magnetism
ActivityEducation:
Trinity College, Dublin. BA (1819); MA (1827); DD (1840); University of Oxford DCL (1855)
Career:
Fellow of Trinity College, Dublin; Erasmus Smith Professor of Natural and Experimental Philosophy, Dublin (1831-1843); discovered a new kind of refraction when light passes through biaxial crystals (1832); designed 'Lloyd's Mirror Experiment' (1834); with Edward Sabine, FRS he designed a new instrument for measuring dip and intensity of magnetic fields at the same time; contributed to establishment of School of Engineering at Trinity College, Dublin (1841); Senior Fellow, Trinity College, Dublin (1843); President, British Association (1857); Cunningham Medal of Royal Irish Academy (1862); Vice-Provost, Trinity (1862); Provost, Trinity (1867)
Memberships:
MRIA President 1846-1851; FRSE; FCPS (Honorary); Honorary Member of the Philosophical Society of Manchester
Honours:
German order 'Pour le Merite' 1874
Membership categoryFellow
Date of election21/01/1836
RelationshipsEldest son of Rev Bartholomew Lloyd, Provost of Trinity College, and Eleanor McLaughlin; married Dorothea, daughter of Rev James Bulwer, Rector of Hunworth-cum-Stody, Norfolk
SourceSources:
Bulloch's Roll; DNB; Irish Innovators
Obituaries:
Proc Roy Soc 1880-1881 vol 31 pp xxi-xxvi signed J H J
References:
James Gabriel O'Hara, 'Gauss and the Royal Society: The Reception of His Ideas on Magnetism in Britain (1832-1842)' in NR 1983-84 vol 38 pp 17-78
R W Home, 'The Royal Society and the Empire: the colonial and Commonwealth Fellowship. Part 2. After 1847' in NR 2003 vol 57 pp 47-84
Virtual International Authority Filehttp://viaf.org/viaf/20036328
CodeNA8252
Archives associated with this Fellow
RefNoTitleDate
MS/119/1/130Letter from Humphrey Lloyd, Kilcooney, Bray to Edward Sabine9 November 1854
MS/119/1/51Letter from James Clark Ross, Wadworth Hall, Doncaster to Humphrey Lloyd7 March 1859
MM/11/153'Circular to the Magnetic Observations' by from Humphrey Lloyd15 January 1841
IM/Maull/002784Lloyd, Humphreynd
IM/002785Lloyd, Humphreynd
MM/11/181Letter from Humphrey Lloyd, Trinity College Dublin, to J W Lubbock4 May 1842
MM/11/169Letter from Humphrey Lloyd, Trinity College Dublin, to J F W Herschel1 February 1842
MM/11/170Letter from Humphrey Lloyd, Trinity College Dublin, to J F W Herschel8 February 1842
MM/11/162Letter from Humphrey Lloyd, Trinity College Dublin, to J F W Herschel11 January 1842
MM/11/185Letter from Humphrey Lloyd, Trinity College Dublin, to J F W Herschel20 October 1846
MM/11/193Letter from Humphrey Lloyd, Trinity College Dublin, to Edward Sabine24 November [1840]
MM/11/165Letter from Humphrey Lloyd, Trinity College Dublin, to J F W Herschel27 January 1842
RR/3/214Referee's report by Humphrey Lloyd, on an unnamed paper by Phillips14 July 1856
MS/710/66Letter from Humphrey Lloyd, 3 Charles Street, St James, to [Robert Were Fox]29 April 1857
MM/11/163Letter from G B Airy, Royal Observatory, to J F W Herschel18 January 1842
MS/119/1/86Letter from Edward Sabine to Humphrey Lloyd, Trinity College, Dublin27 March 1840
MC/8/141Letter from H [Humphrey] Lloyd, Provost's House, Trinity College, [Dublin], to [Walter] White, [Assistant] Secretary of the Royal Society14 February 1868
MM/11/105Minutes of a meeting of the Council of the Royal Irish Academy4 March 1850
MS/119/2/24Drawing of a layout for magnetical instruments by Humphrey LloydMay 1841
RR/2/207Referee's report by Humphrey Lloyd, on a paper 'On the effect of the pressure of the atmosphere on the mean level of the ocean' by James Clark Ross15 July 1854
MS/119/1/127Letter from Humphrey Lloyd, Fitzwilliam Square, Dublin to Edward Sabine13 April 1848
MS/119/2/6Letter from Humphrey Lloyd, Trinity College, Dublin to Charles James Buchanan Riddell 24 January 1840
MS/119/1/53Letter from Humphrey Lloyd to Edward Sabine, Kilcooney, Bray7 July 1859
MS/119/1/68Letter from James Clark Ross to Humphrey Lloyd[1839]
MS/119/1/39Letter from John Phillips, Royal Institution, Liverpool to Humphrey Lloyd, Trinity College, Dublin21 August 1837
MS/119/1/32Letter from John Phillips, St Clair's, Ryde, Isle of Wight to Humphrey Lloyd, Trinity College, Dublin23 July 1837
MS/119/1/31Letter from John Phillips, Birmingham to Humphrey Lloyd, Trinity College, Dublin4 July 1837
MS/119/1/60Letter from Edward Sabine to Humphrey Lloyd24 January 1839
MS/119/1/18Letter from Edward Sabine, Limerick to Humphrey Lloyd8 October [1836]
MS/119/1/44Incomplete letter from Edward Sabine to Humphrey Lloyd1838
MS/119/1/99Letter from Edward Sabine, Margate to Humphrey Lloyd, Trinity College, Dublin19 January 1841
MS/119/1/30Letter from Edward Sabine, Worcester Park Surrey to Humphrey Lloyd, Trinity College, Dublin28 October [1837]
MS/119/1/82Letter from Edward Sabine to Humphrey Lloyd28 December 1839
MS/119/1/89Letter from Edward Sabine, Dunraven Castle to Humphrey Lloyd10 September 1840
MS/119/1/52Letter from Edward Sabine, 13 Ashley Place to Humphrey Lloyd25 April 1857
MS/119/1/49Letter from Edward Sabine, St James's Place to Humphrey Lloyd8 April 1839
MS/119/2/31Incomplete letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd, Trinity College, Dublin7 May 1842
MS/119/1/70Letter from Edward Sabine, Woolwich to Humphrey Lloyd,Trinity College, Dublin5 July 1839
MS/119/1/62Incomplete letter from Edward Sabine to Humphrey Lloyd[1839]
MS/119/1/101Letter from Edward Sabine to Humphrey Lloyd13 November [1841]
MS/119/1/38Letter from John Phillips to Humphrey Lloyd, Trinity College, Dublin5 August 1857
MS/119/2/21Second half of letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd, Trinity College, Dublin9 June 1841
MS/119/1/16Letter from Edward Sabine, Limerick to Humphrey Lloyd, Trinity College, Dublin19 June 1836
MS/119/1/74Draft of a letter to The Times by Humphrey LloydOctober 1839
MS/119/1/108Incomplete letter from Edward Sabine, Woolwich to [Humphrey Lloyd], Narraghmore, Ballytore1842
MS/119/1/96Letter from Edward Sabine, 12 Park Place to Humphrey Lloyd18 March 1841
MS/119/1/47Letter from Edward Sabine, London to Humphrey Lloyd23 May [1838]
MS/119/1/25Letter from Edward Sabine, Tortington to Humphrey Lloyd, Trinity College, Dublin1837
RR/3/238Referee's report by Humphrey Lloyd, on a paper 'On the lunar-diurnal magnetic variation at Toronto' by Edward Sabine23 June 1856
MS/119/1/4Letter from Edward Sabine, Limerick to Humphrey Lloyd, Trinity College, Dublin4 July 1834
RR/4/25Referee's report by Humphrey Lloyd, on a paper 'On the bifalar magnetometer' by John Allan Broun11 April 1860
MS/119/1/6Letter from Edward Sabine, Limerick to Humphrey Lloyd, Trinity College, Dublin29 July 1834
RR/1/156Referee's report by Humphrey Lloyd, on a paper 'On the total reflection from the surface of any crystal' by Michael Macann22 March 1848
MS/119/2/53Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd19th century
MS/119/2/27Memo as to metallic bar thermometers for large bifilar magnetometers, by Humphrey Lloyd, LondonOctober 1842
MC/12/143Letter from Saml [Samuel] Haughton, Trinity College, Dublin, to Walter White, [Assistant Secretary of the Royal Society]21 January 1881
MS/426/321Note of a letter from [the Secretaries of] the Royal Society]; to Rev H [Humphrey] Lloyd18 March 1848
MS/426/60Copy letter from [Peter Mark] Roget, Secretary of the Royal Society; to the Rev. Prof. [Humphrey] Lloyd14 July 1842
EC/1836/03Lloyd, Humphrey: certificate of election to the Royal Society
MS/710/67Letter from Humphrey Lloyd, Trinity College [Dublin], to Caroline Fox11 March [ny]
MS/119/2/36Letter from Humphrey Lloyd, Trinity College, Dublin to Charles James Buchanan Riddell12 December 1842
MS/119/1/97Letter from Edward Sabine, Woolwich to Humphrey Lloyd8 May 1841
MS/119/1/126Memorandum for the Observer 'Adjustments of the wires of the microscopes' by Humphrey Lloyd19th century
MS/119/1/69Letter from Edward Sabine, Woolwich to Humphrey Lloyd, Trinity College, Dublin22 June 1839
MS/119/1/111Letter from Edward Sabine, Woolwich to Humphrey Lloyd14 June 1843
MS/119/1/84Letter from Edward Sabine to Humphrey Lloyd13 January 1840
MS/119/2/126Letter from John Allan Broun, Makerstoun, Kelso to Humphrey Lloyd12 September 1842
MS/119/1/93Letter from Edward Sabine, Worcester Park to Humphrey Lloyd, Trinity College, Dublin16 December 1840
MS/119/1/102Letter from Edward Sabine, 12 Park Place to Humphrey Lloyd13 December 1841
MS/119/1/19Letter from Edward Sabine, Limerick to Humphrey Lloyd23 November [1836]
MS/119/1/41Letter from Edward Sabine, Tortington to Humphrey Lloyd21 October 1837
RR/3/241Letter from Humphrey Lloyd, on an unnamed paper by an unknown author4 November 1857
MS/119/1/5Letter from Edward Sabine, Limerick to Humphrey Lloyd, Trinity College, Dublin20 January 1834
MS/119/1/80Letter from Edward Sabine, 3 St James's Place to Humphrey Lloyd20 December 1839
MS/119/1/46Letter from Edward Sabine, Tortington to Humphrey Lloyd11 January 1839
MS/119/1/3Letter from Edward Sabine, Limerick to Humphrey Lloyd, Trinity College, Dublin26 January 1834
RR/5/230Referee's report by Humphrey Lloyd, on a paper 'Results of the magnetic observations at the Kew Observatory, from 1857 and 1858 to 1862 inclusive.-No. I' by Edward Sabine20 June 1863
MS/119/1/11Letter from Edward Sabine, Limerick to Humphrey Lloyd, Trinity College, Dublin11 February 1835
MS/119/2/23Letter from Humphrey Lloyd, Trinity College, Dublin to Charles James Buchanan Riddell7 May 1841
MS/119/1/65Letter from Humphrey Lloyd, Trinity College, Dublin to James Clark Ross, HMS Erebus27 April 1839
MC/3/224Letter from Humphrey Lloyd, Trinity College Dublin, to the Secretary of the Royal Society7 June 1842
RR/2/64Referee's report by Humphrey Lloyd, on a paper 'Formulization of horary observations presumed à, priori to be nearly of a periodic nature' by S M Drach11 May 1852
RR/3/1Referee's report by Humphrey Lloyd, on a paper 'Discussion of the observed deviations of the compass in several ships, wood-built and iron-built: with a general table for facilitating the examination of compass-deviations' by George Biddell Airy29 October 1855
RR/4/20Referee's report by Humphrey Lloyd, on a paper 'On the lines of the solar spectrum' by David Brewster and John Hall Gladstone30 April 1860
RR/3/236Referee's report by Humphrey Lloyd, on a paper 'On periodical laws discoverable in the mean effects of the larger magnetic disturbances.—No. III' by Edward Sabine27 February 1856
MC/3Volume 3 of miscellaneous correspondence regarding business matters, sent to the Royal Society1839-1843
MC/3/133Circular from Humphrey Lloyd, Dublin, to the Magnetic Observatories15 January 1841
MC/3/49Letter from Edward Sabine, 3 St James's Place, to John Herschel 7 November 1839
MC/3/47Draft letter from Humphrey Lloyd, London, to John Herschel 30 October 1839
MC/3/50Copy letter from Edward Sabine and Humphrey Lloyd, London, to the Marquis of Northampton, President of the Royal Society7 November 1839
MC/3/301Letter from Humphrey Lloyd, Trinity College Dublin, to the Royal Society23 September 1843
RR/5/115Letter from Humphrey Lloyd, on a paper 'On the synchronous distribution of temperature over the earth's surface' by Henry Hennessy to George Gabriel Stokes25 June 1864
MC/4/62Letter from [Humphrey] Lloyd, Trinity College Dublin, to Sir John William Lubbock, [Treasurer of the Royal Society]24 March 1845
MS/119/1/107Letter from Edward Sabine, 12 Park Place to Humphrey Lloyd8 March 1842
MC/4/329Letter from Humphrey Lloyd, President of the Royal Irish Academy, Trinity College Dublin, to Reverend [Thomas Romney] Robinson, President of the British Association5 March 1850
MC/4/362Letter from H [Humphrey] Lloyd, Trinity College Dublin, to the Earl of Rosse, [President of the Royal Society]13 November 1850
MC/4Volume 4 of miscellaneous correspondence regarding business matters, sent to the Royal Society1844-1850
MC/5/274Letter from H [Humphrey] Lloyd, Kilcroney, Bray, to [Edward] Sabine, [Treasurer of the Royal Society]4 February 1857
MC/5/273Letter from H [Humphrey] Lloyd, Kilcroney, Bray, to [Edward] Sabine, [Treasurer of the Royal Society]3 February 1857
MC/5/323Letter from Mr Shelbury, Foreign Office, to Dr [Humphrey] Lloyd, President of the British Association for the Advancement of Science, Trinity College, Dublin18 December 1857
MC/5/307Letter from H [Humphrey] Lloyd, President of the British Association for the Advancement of Science, to Lord Wrottesley, President of the Royal Society6 November 1857
MC/5Volume 5 of miscellaneous correspondence regarding business matters, sent to the Royal Society1851-1858
MS/119/2/99Letter from John Henry Lefroy, Toronto to Humphrey Lloyd15 February 1841
MS/119/1/22Note from [Edward Sabine] to Humphrey Lloyd 19th century
MS/119/2/132Letter from James Clark Ross, Lowestoft to Humphrey Lloyd21 August 1857
MS/119/1/105Letter from Edward Sabine, 12 Park Place to Humphrey Lloyd5 February 1842
MS/119/1/12Letter from Edward Sabine, Limerick to Humphrey Lloyd12 February [1835]
RR/5/2Referee's report by Humphrey Lloyd, on a paper 'On the diurnal inequalities of terrestrial magnetism, as deduced from observations made at the Royal Observatory, Greenwich, from 1841 to 1857' by George Biddell Airy10 June 1863
MS/119/1/133'Specification of instrument for the measurement of the dip and intensity' by Humphrey Lloyd19th century
RR/2/90Referee's report by Humphrey Lloyd, on a paper 'On induced and other magnetic forces' by William Snow Harris1 October 1851
MS/119/1/33Letter from John Phillips, Magdalen Bridge, Oxford to Humphrey Lloyd14 June 1858
MS/119/2/34Letter from Humphrey Lloyd, Trinity College, Dublin to Charles James Buchanan Riddell6 December 1842
MS/119/2/40Incomplete letter from Charles James Buchanan Riddell to Humphrey Lloyd19th century
MS/119/1/9Letter from Edward Sabine, Limerick to Humphrey Lloyd, Trinity College, Dublin10 October 1834
MS/119/2/146Letter from John Allan Broun, 9 Abercorn Place, London to Humphrey Lloyd15 February 1878
MS/119/2/117Incomplete letter from Charles Morgan Elliot to Humphrey Lloyd19th century
MS/119/2/110Letter from Richard Wilcox, Lucknow to Humphrey Lloyd, Trinity College, Dublin9 June 1845
MS/119/2/137Incomplete letter from John Allan Broun, Makerstoun, Kelso to Humphrey Lloyd19th century
MS/119/2/18Letter from Humphrey Lloyd, Trinity Colleg, Dublin to Charles James Buchanan Riddell, Magnetic Observatory Toronto14 November 1840
MS/119/2/135Letter from John Allan Broun, Makerstoun, Kelso to Humphrey Lloyd26 October 1846
MS/119/2/141Letter from John Allan Broun, Makerstoun Kelso to Humphrey Lloyd7 July 1846
MS/119/1/17Letter from Edward Sabine, Limerick to Humphrey Lloyd13 July [1836]
MS/119/1/43Letter from Edward Sabine, Tortington to Humphrey Lloyd23 March 1838
MS/119/2/101Letter from John Henry Lefroy, Toronto to Humphrey Lloyd28 April 1848
MS/119/2/94Letter from John Henry Lefroy, Longwood, St Helena to Humphrey Lloyd, Trinity College, Dublin6 May 1841
MS/119/2/96Letter from William James Smythe, Longwood, St Helena to Humphrey Lloyd4 April 1842
MS/119/1/64Letter from Humphrey Lloyd, Trinity College, Dublin to James Clark Ross16 April 1839
MS/119/1/91Letter from Edward Sabine, Margate to Humphrey Lloyd4 December 1840
MS/119/1/79Letter from Edward Sabine, Athenaeum to Humphrey Lloyd, Trinity College, Dublin11 December 1839
MS/119/1/54Letter from Humphrey Lloyd to Edward Sabine, Jermyn Street19th century
MS/119/1/50Letter from Edward Sabine, London to Humphrey Lloyd, Trinity College, Dublin10 June [1839]
MS/119/2/129Letter from John Allan Broun, Makerstoun, Kelso to Humphrey LloydSeptember 1843
MS/119/1/59Letter from Edward Sabine to Humphrey Lloyd, Tortington3 January 1839
MS/119/1/95Letter from Edward Sabine, London to Humphrey Lloyd4 January 1841
MS/119/2/25Letter from Charles James Buchanan Riddell to Humphrey Lloyd6 May 1842
MS/119/1/29Letter from Edward Sabine, Tortington to Humphrey Lloyd, Trinity College, Dublin20 May 1837
MS/119/2/136Letter from John Allan Broun, Makerstoun, Kelso to Humphrey Lloyd7 August 1845
MS/119/2/48First half of letter from Humphrey Lloyd, 17 Fitzwilliam Square, Dublin to Charles James Buchanan Riddell8 January 1844
MS/119/2/47Second half of letter from Humphrey Lloyd, 17 Fitzwilliam Square, Dublin to Charles James Buchanan Riddell8 January 1844
MS/119/2/69Letter from Charles James Buchanan Riddell to Humphrey Lloyd21 January 1846
MS/119/2/45Second half of letter from Charles James Buchanan Riddell to Humphrey Lloyd, Trinity College, Dublin5 January 1844
MS/119/2/111Letter from John Caldecott, Trivandrum Observatory to Humphrey Lloyd, Trinity College, Dublin13 February 1842
MS/119/2/9Letter from Humphrey Lloyd, Trinity College, Dublin to Charles James Buchanan Riddell, Magnetical Observatory, Toronto, Canada23 March 1840
MS/119/2/143Letter from John Allan Broun, 9 Abercorn Place, London to Humphrey Lloyd2 February 1878
MS/119/2/147Sheet of mathematical notes by Humphrey Lloyd19th century
MS/119/1/72Letter from Samuel Hunter Christie, Royal Society to Humphrey Lloyd10 August 1839
MS/119/1/73Letter from Edward Sabine, 3 St James's Place to Humphrey Lloyd,Trinity College, Dublin7 November 1839
MS/119/1/14Letter from Edward Sabine, Limerick to Humphrey Lloyd5 April [1836]
MS/119/1/28Letter from Edward Sabine, 19 Berkeley Square to Humphrey Lloyd23 April 1837
MS/119/1/67Letter from Edward Sabine, 3 St James's Place to Humphrey Lloyd12 April [1839]
MS/119/1/71Letter from Edward Sabine, Woolwhich to Humphrey Lloyd, Trinity College, DublinJuly [1839]
MS/119/1/138Letter from Humphrey Lloyd, Trinity College, Dublin to Edward Sabine28 March 1857
MS/119/1/24Incomplete letter from Edward Sabine to Humphrey Lloyd19th century
MS/119/1/113Letter from Humphrey Lloyd, Fitzwilliam Square, Dublin to Edward Sabine17 January 1848
MS/119/1/85Letter from Edward Sabine to Humphrey Lloyd17 January 1840
MS/119/1/15Letter from Edward Sabine, Limerick to Humphrey Lloyd8 April [1836]
MS/119/1/34Incomplete letter from Edward Sabine to Humphrey Lloyd1837
MS/119/1/81Letter from Edward Sabine to Humphrey Lloyd, Trinity College, Dublin26 December 1839
MS/119/1/109Letter from James Clark Ross, 'HMS Erebus', Port Louis, Falkland Islands to Humphrey Lloyd7 September 1842
MS/119/1/121Letter from Humphrey Lloyd, Fitzwilliam Square, Dublin to Edward Sabine20 April 1848
MS/119/2/124Letter from E Russell, Makerstoun Kelso to Humphrey Lloyd9 December 1841
MS/119/2/116Letter from Charles Morgan Elliot, Singapore to Humphrey Lloyd15 March 1842
MS/119/2/148Letter from John Allan Broun, 9 Abercorn Place, London to Humphrey Lloyd28 May 1878
MS/119/1/88Letter from Edward Sabine to Humphrey Lloyd, Trinity College, Dublin5 June 1840
MS/119/1/92Letter from Edward Sabine, Margate to Humphrey Lloyd13 December 1840
MS/119/1/76Letter from Edward Sabine, 3 St James's Place to Humphrey Lloyd21 November 1839
MS/119/2/20Letter from Charles James Buchanan Riddell, Maidstone to Humphrey Lloyd, Trinity College, Dublin20 March 1841
MS/119/2/87Letter from Frederick Marow Eardley-Wilmot, Cape of Good Hope Observatory to Humphrey Lloyd, Trinity College, Dublin18 March 1842
MS/119/1/110Letter from Edward Sabine, Woolwich to Humphrey Lloyd12 April 1843
MS/119/2/32Letter from Humphrey Lloyd, 7 Warwick Street, London to Charles James Buchanan Riddell14 October 1842
MS/119/2/128Letter from John Allan Broun, Makerstoun, Kelso to Humphrey Lloyd19th century
MS/119/2/81Letter from Frederick Marow Eardley-Wilmot, Cape of Good Hope Observatory to Humphrey Lloyd, Trinity College, Dublin5 June 1841
MS/119/2/49Letter from Humphrey Lloyd, Trinity College, Dublin to Charles James Buchanan Riddell5 February 1844
MS/119/2/90Letter from John Henry Lefroy, Longwood, St Helena to Humphrey Lloyd, Trinity College, Dublin29 May 1840
MS/119/2/5Letter from Humphrey Lloyd, Trinity College, Dublin to Charles James Buchanan Riddell 23 January 1840
MS/119/2/145Letter from John Allan Broun, 9 Abercorn Place, London to Humphrey Lloyd13 February 1878
MS/119/2/86Letter from Frederick Marow Eardley-Wilmot, Cape of Good Hope Observatory to Humphrey Lloyd, Trinity College, Dublin16 November 1841
MS/119/2/79Letter from Frederick Marow Eardley-Wilmot, Cape of Good Hope Observatory to Humphrey Lloyd, Trinity College, Dublin31 March 1841
MS/119/2/122Letter from E Russell, Makerstoun Kelso to Humphrey Lloyd15 August 1841
MS/119/2/115Incomplete letter from Charles Morgan Elliot, Singapore to Humphrey Lloyd9 February 1842
MS/119/2/123Letter from E Russell, Makerstoun Kelso to Humphrey Lloyd13 November 1841
MS/119/2/78Letter from Frederick Marow Eardley-Wilmot, Cape of Good Hope Observatory to Humphrey Lloyd, Trinity College, Dublin26 March 1841
MS/119/2/37Letter from Charles James Buchanan Riddell, London to Humphrey Lloyd22 September 1843
MS/119/2/15Letter from Charles James Buchanan Riddell, Toronto to Humphrey Lloyd, Trinity College, Dublin27 August 1840
MS/119/2/30Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd, Trinity College, Dublin15 March 1842
MS/119/2/33Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd, Trinity College, Dublin11 November 1842
MS/119/2/44First half of letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd5 January 1844
MS/119/2/67Letter from Humphrey Lloyd, Trinity College, Dublin to Charles James Buchanan Riddell 22 October 1845
MS/119/2/41Letter from Charles James Buchanan Riddell, Lüneburg to Humphrey Lloyd, Trinity College, Dublin9 October 1843
MS/119/2/50Letter from Humphrey Lloyd, Trinity College, Dublin to Charles James Buchanan Riddell12 February 1844
MS/119/2/43Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd29 December 1843
MS/119/2/51Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd15 February 1844
MS/119/2/98Letter from William James Smythe, Longwood, St Helena to Humphrey Lloyd30 June 1842
MS/119/1/90Letter from Edward Sabine, Woolwich to Humphrey Lloyd11 November 1840
MS/119/2/55Letter from Humphrey Lloyd, Trinity College, Dublin to Charles James Buchanan Riddell17 June 1844
MS/119/2/133Letter from James Clark Ross, Aston Abbott House, Aylesbury to Humphrey Lloyd16 October 1861
MS/119/2/58Incomplete letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd12 March [1845]
MS/119/2/97Letter from John Henry Lefroy, Woolwhich to Humphrey Lloyd16 June 1842
MS/119/2/63Letter from Humphrey Lloyd, Kilmarnock Cabinteely to Charles James Buchanan Riddell26 July 1845
MS/119/2/60Letter from Humphrey Lloyd, Killiney, Dublin to Charles James Buchanan Riddell20 July 1845
MS/119/2/38Letter from Charles James Buchanan Riddell, Hamburg to Humphrey Lloyd, Trinity College, Dublin29 September 1843
MS/119/1/94Letter from Edward Sabine, Margate to Humphrey Lloyd22 December 1840
MS/119/2/105Second half of letter from Joseph Henry Kay, Magnetic Observatory Rossbank to Humphrey Lloyd, Trinity College, Dublin2 March 1842
MS/119/2/100Letter from John Henry Lefroy, Toronto to Humphrey Lloyd8 December 1846
MS/119/2/59Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd13 March 1845
MS/119/2/131Letter from John Allan Broun, Makerstoun, Kelso to Humphrey Lloyd22 June 1846
MS/119/2/16Second half of letter from Charles James Buchanan Riddell, Toronto to Humphrey Lloyd, Trinity College, Dublin27 July 1840
MS/119/2/61Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd17 July 1845
MS/119/1/106Letter from Edward Sabine, 12 Park Place to Humphrey Lloyd, Trinity College, Dublin19 February 1842
MS/119/2/35Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd8 December 1842
MS/119/2/39Letter from Charles James Buchanan Riddell, Dresden to Humphrey Lloyd, Dublin26 October 1843
MS/119/2/64Letter from Humphrey Lloyd, Kilmarnock Cabinteely to Charles James Buchanan Riddell30 August 1845
MS/119/2/65Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd13 October 1845
MS/119/2/85Letter from Frederick Marow Eardley-Wilmot, Cape of Good Hope Observatory to Humphrey Lloyd, Trinity College, Dublin20 September 1841
MS/119/2/62Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd21 July 1845
MS/119/2/11Letter from Charles James Buchanan, Toronto to Humphrey Lloyd, Trinity College, Dublin1 May 1840
MS/119/2/46Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd8 February 1844
MS/119/2/75Letter from Frederick Marow Eardley-Wilmot, Cape of Good Hope Observatory to Humphrey Lloyd, Trinity College, Dublin9 February 1841
MS/119/2/76Letter from Frederick Marow Eardley-Wilmot, Cape of Good Hope Observatory to Humphrey Lloyd, Trinity College, Dublin19 February 1841
MS/119/2/68Letter from Humphrey Lloyd, Kilmarnock Cabinteely to Charles James Buchanan Riddell24 November 1845
MS/119/2/77Letter from Frederick Marow Eardley-Wilmot, Cape of Good Hope Observatory to Humphrey Lloyd, Trinity College, Dublin15 March 1841
MS/119/2/88Letter from John Henry Lefroy, Longwood, St Helena to Humphrey Lloyd, Trinity College, Dublin3 March 1840
MS/119/2/22First half of letter from Charles James Buchanan Riddell to Humphrey Lloyd9 June 1841
MS/119/2/56Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd4 October 1844
MS/119/2/138Letter from John Allan Broun, Makerstoun, Kelso to Humphrey Lloyd3 April 1843
MS/119/2/92Letter from John Henry Lefroy, Longwood, St Helena to Humphrey Lloyd, Trinity College, Dublin18 July 1840
MS/119/2/120First half of letter from Charles Morgan Elliot to Humphrey Lloyd3 March 1843
MS/119/2/130Letter from John Allan Broun, Makerstoun, Kelso to Humphrey Lloyd9 October 1845
MS/119/2/10Letter from Charles James Buchanan, Toronto to Humphrey Lloyd, Trinity College, Dublin2 April 1840
MS/119/2/113Letter from Samuel Owen Edgar Ludlow, Madras [Chennai] to Humphrey Lloyd, [Caernarfon, North Wales]10 June 1842
MS/119/2/57Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd, Tinity College, Dublin19 December 1844
MS/119/2/118Letter from Charles Morgan Elliot, Singapore to Humphrey Lloyd8 May 1842
MS/119/2/91Letter from John Henry Lefroy, Longwood, St Helena to Humphrey Lloyd, Trinity College, Dublin18 June 1840
MS/119/2/109Letter from Richard Wilcox, Lucknow to Humphrey Lloyd, Dublin5 January 1844
MS/119/2/112Letter from Samuel Owen Edgar Ludlow, Madras [Chennai] to Humphrey Lloyd, Trinity College, Dublin24 November 1841
MS/119/2/134Letter from John Allan Broun, Makerstoun, Kelso to Humphrey Lloyd7 August 1846
MS/119/2/14Frist half of letter from Charles James Buchanan Riddell, Toronto to Humphrey Lloyd27 July 1840
MS/119/2/139Copy of a letter from Humphrey Lloyd, Trinity College, Dublin to John Allan Broun15 April 1843
MS/119/2/144Letter from John Allan Broun, 9 Abercorn Place, London to Humphrey Lloyd8 February 1878
MS/119/1/63Letter from Thomas [Best] Jervis, 22 Notting Hil Square to Humphrey Lloyd, Trinity College, Dublin28 March 1839
MS/119/2/140Letter from John Allan Broun, Makerstoun Kelso to Humphrey Lloyd1 June 1846
MS/119/2/142Letter from John Allan Broun, 9 Abercorn Place, London to Humphrey Lloyd21 December 1877
MS/119/2/127Letter from John Allan Broun, Makerstoun, Kelso to Humphrey Lloyd23 June 1846
MS/119/2/89Letter from John Henry Lefroy, Longwood, St Helena to Humphrey Lloyd, Trinity College, Dublin10 April 1840
MS/119/2/66Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd11 November 1845
MS/119/2/73Letter from Frederick Marow Eardley-Wilmot, Cape of Good Hope Observatory to Humphrey Lloyd, Trinity College, Dublin31 March 1840
MS/119/1/120Letter from Humphrey Lloyd, Trinity College, Dublin to Edward Sabine28 April 1848
MS/119/1/117Letter from Humphrey Lloyd, Fitzwilliam Square, Dublin to Edward Sabine4 March 1848
MS/119/1/118Letter from Humphrey Lloyd, Fitzwilliam Square, Dublin to Edward Sabine14 April 1848
MS/119/1/119Letter from Humphrey Lloyd, Trinity College, Dublin to Edward Sabine18 April 1848
MS/119/1/122Letter from Humphrey Lloyd, Trinity College, Dublin to Edward Sabine9 October 1847
MS/119/1/129Letter from John Richardson, Haslar Hospital, Gosport to [Humphrey Lloyd]4 February 1850
MS/119/2/3Letter from Humphrey Lloyd, Trinity College, Dublin to [Charles James Buchanan Riddell]28 December 1839
MS/119/1/128Letter from Edward Sabine, Woolwich to Humphrey Lloyd22 April 1848
MS/119/1/132Letter from Edward Sabine, 13 Ashley Place to Humphrey Lloyd15 August 1864
MS/119/1/135Letter from Humphrey Lloyd, Kilcooney, Bray to Edward SabineJanuary 1857
MS/119/1/131Letter from Edward Sabine, 13 Ashley Place to Humphrey Lloyd1857
MS/119/1/137Letter from John Welsh, Kew Observatory to [Edward Sabine]24 March 1857
MS/119/2/8Letter from Humphrey Lloyd, Trinity College, Dublin to Charles James Buchanan Riddell14 April 1840
MS/119/2/42Incomplete letter from Charles James Buchanan Riddell to Humphrey Lloyd, Trinity College, Dublin19th century
MS/119/1/1Letter from Edward Sabine, Limerick to Humphrey Lloyd, Trinity College, Dublin21 August 1833
MS/119/2/1Letter from Humphrey Lloyd, Trinity College, Dublin to Charles James Buchanan Riddell, Woolwhich8 August 1839
MS/119/2/17Letter from Humphrey Lloyd, Trinity College, Dublin to Charles James Buchanan Riddell14 November 1840
MS/119/2/29Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd, [Beaumaris, Anglesey]1 September 1842
MS/119/1/136Letter from Humphrey Lloyd, Trinity College, Dublin to Edward Sabine21 March 1857
MS/119/2/119Second half of letter from Charles Morgan Elliot, Singapore to Humphrey Lloyd3 March 1843
MS/119/1/125Memo from Humphrey Lloyd to [Thomas Charles] Robinson19th century
MS/119/1/45Letter from Edward Sabine, Tortington to Humphrey Lloyd13 April 1838
MS/119/1/116Letter from Humphrey Lloyd, Trinity College, Dublin to Edward Sabine10 February 1848
MS/119/1/48Letter from Edward Sabine, Jordan Hill, near Glasgow to Humphrey Lloyd, Trinity College, Dublin11 September 1838
MS/119/1/42Letter from Edward Sabine, Tortington to Humphrey Lloyd23 November 1837
MS/119/1/83Letter from Edward Sabine to Humphrey Lloyd11 January 1840
MS/119/2/28Letter from Humphrey Lloyd, Trinity College, Dublin to Charles James Buchanan Riddell5 May 1842
MS/119/2/26Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd30 July 1841
MS/119/2/121Letter from E Russell, Makerstoun Kelso to Humphrey Lloyd28 July 1841
MS/119/1/7Letter from Edward Sabine, Limerick to Humphrey Lloyd, Trinity College, Dublin13 August 1834
MS/119/1/10Letter from Edward Sabine, Limerick to Humphrey Lloyd, Trinity College, Dublin22 December 1834
MS/119/1/13Letter from Edward Sabine, Limerick to Humphrey Lloyd23 March [1836]
MS/119/1/87Letter from Edward Sabine to Humphrey Lloyd27 May 1840
MS/119/1/112Letter from Humphrey Lloyd, Trinity College, Dublin to Edward Sabine12 January 1848
MS/119/1/100Letter from Edward Sabine, Margate to Humphrey Lloyd22 February 1841
MS/119/1/104Letter from Edward Sabine, 12 Park Place to Humphrey Lloyd, Trinity College, Dublin12 January 1842
MS/119/1/114Letter from Edward Sabine, Woolwich to Humphrey Lloyd18 April 1848
MS/119/2/95Letter from John Henry Lefroy, Longwood, St Helena to Humphrey Lloyd24 August 1841
MS/119/2/108Letter from Joseph Henry Kay, Magnetic Observatory Rossbank to Humphrey Lloyd, Trinity College, Dublin4 September 1842
MS/119/1/23Letter from [Edward Sabine], Tortington to Humphrey Lloyd19th century
MS/119/1/55Letter from Edward Sabine to Humphrey Lloyd, Trinity College, Dublin22 April 1838
MS/119/1/2Letter from Edward Sabine, Limerick to Humphrey Lloyd, Trinity College, Dublin28 November 1833
MS/119/1/8Letter from Edward Sabine, Killarney to Humphrey Lloyd, Trinity College, Dublin5 October 1834
MS/119/1/20Letter from Edward Sabine, Limerick to Humphrey Lloyd5 December [1836]
MS/119/1/26Letter from Edward Sabine, Tortington to Humphrey Lloyd, Trinity College, Dublin9 February 1837
MS/119/1/27Letter from Edward Sabine, Tortington to Humphrey Lloyd9 April 1837
MS/119/1/40Letter from Edward Sabine, Dunraven Castle to Humphrey Lloyd, Trinity College, Dublin9 October 1837
MS/119/1/58Letter from Edward Sabine, Tortington, to Humphrey Lloyd, Trinity College, Dublin23 October 1838
MS/119/1/61Letter from Edward Sabine, Tortington to Humphrey Lloyd16 March 1839
MS/119/1/66Letter from Edward Sabine, Athenaeum to Humphrey Lloyd1839
MS/119/1/75Letter from Edward Sabine, 3 St James's Place to Humphrey Lloyd, Trinity College, Dublin12 November 1839
MS/119/1/77Letter from Edward Sabine, Athenaeum to Humphrey Lloyd23 November 1839
MS/119/1/115Letter from Humphrey Lloyd, Fitzwilliam Square, Dublin to Edward Sabine31 January 1848
MS/119/1/123Letter from Humphrey Lloyd, Fitzwilliam Square, Dublin to Edward Sabine4 November 1847
MS/119/1/124Letter from Humphrey Lloyd, Trinity College, Dublin to Edward Sabine27 December 1847
MS/119/2/2Letter from Charles James Buchanan Riddell, Toronto, Upper Canada to Humphrey Lloyd, Trinity College, Dublin8 October 1839
MS/119/2/7Letter from Charles James Buchanan Riddell, Toronto to Humphrey Lloyd, Trinity College, Dublin4 March 1840
MS/119/2/12Incomplete letter from Charles James Buchanan, Toronto to Humphrey Lloyd, Trinity College, Dublin26 May 1840
MS/119/2/13Letter from Humphrey Lloyd, Dublin to Charles James Buchanan Riddell, Magnetical Observatory, Toronto, Canada24 July 1840
MS/119/2/19Letter from Charles James Buchanan Riddell, Toronto to Humphrey Lloyd, Trinity College, Dublin14 January 1841
MS/119/2/52Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd14 February 1844
MS/119/2/54Letter from Charles James Buchanan Riddell, Woolwich to Humphrey Lloyd4 April 1844
MS/119/2/70Letter from Charles James Buchanan Riddell, Maidstone to Humphrey Lloyd12 February 1846
MS/119/2/72Letter from Humphrey Lloyd, 17 Fitzwilliam Square, Dublin to Charles James Buchanan Riddell28 January 1846
MS/119/2/80Letter from Frederick Marow Eardley-Wilmot, Cape of Good Hope Observatory to Humphrey Lloyd, Trinity College, Dublin12 May 1841
MS/119/2/82Letter from Frederick Marow Eardley-Wilmot, Cape of Good Hope Observatory to Humphrey Lloyd, Trinity College, Dublin10 July 1841
MS/119/2/83Letter from Frederick Marow Eardley-Wilmot, Cape of Good Hope Observatory to Humphrey Lloyd, Trinity College, Dublin7 August 1841
RR/2/236Referee's report by Humphrey Lloyd, on a paper 'On depressions of the wet-bulb thermometer during the hot season at Ahmednuggur, in the Deccan' by William Henry Sykes1 October 1851
RR/4/275Referee's report by Humphrey Lloyd, on a paper 'On magnetic storms and earth-currents' by Charles Vincent Walker15 April 1861
MC/12Volume 12 of miscellaneous correspondence regarding business matters, sent to the Royal Society1880-1883
MC/8Volume 8 of miscellaneous correspondence regarding business matters, sent to the Royal Society1867-1869
MS/257/1/241Copy of a letter from John Allan Broun, Makerstoun, Kelso to Humphrey Lloyd3 April 1843
MS/119/2/103Letter from Joseph Henry Kay, Magnetic Observatory Rossbank to Humphrey Lloyd, Trinity College, Dublin16 January 1842
MS/119/2/104First half of letter from Joseph Henry Kay, Magnetic Observatory Rossbank to Humphrey Lloyd2 March 1842
MS/119/2/107Letter from Joseph Henry Kay, Magnetic Observatory Rossbank to Humphrey Lloyd, Trinity College, DublinMay 1842
MS/257/1/195Letter from John Theophilus Boileau, Simla to Humphrey Lloyd, Trinity College, Dublin14 September 1841
MS/119/1/78Letter from Edward Sabine, 3 St James's Place to Humphrey Lloyd2 December 1839
RR/5/91Referee's report by Humphrey Lloyd, on a paper 'Account of magnetic observations made in the years 1858–61 inclusive, in British Columbia, Washington Territory, and Vancouver Island' by Robert Wolseley Haig14 November 1863
RR/6/263Letter from Humphrey Lloyd, regarding two papers 'Results of the magnetic observations at the Kew Observatory.— No. III' and 'Contributions to terrestrial magnetism.-No. X' by Edward Sabine13 August 1866
RR/2/71Referee's report by Humphrey Lloyd, on a paper 'On the determination of the mean temperature of every day in the year, as deduced from the observations taken at the Royal Observatory, Greenwich, in the years from 1814 to 1851' by James Glaisher23 February 1853
RR/2/91Response by Michael Faraday to referee's report by Humphrey Lloyd, on a paper 'On induced and other magnetic forces' by William Snow Harris13 January 1852
RR/3/2Referee's report by Humphrey Lloyd, on a paper 'Discussion of the observed deviations of the compass in several ships, wood-built and iron-built: with a general table for facilitating the examination of compass-deviations' by George Biddell Airy16 July 1855
RR/3/240Referee's report by Humphrey Lloyd, on a paper 'On the evidence of the existence of the decennial inequality in the solar-diurnal magnetic variations, and its non-existence in the lunar-diurnal variation, of the declination at Hobarton' by Edward Sabine7 January 1857
RR/3/242Referee's report by Humphrey Lloyd, on a paper 'On hourly observations of the magnetic declination made by Captain Rochfort Maguire, R. N., and the officers of H. M. S. ‘Plover,' in 1852, 1853 and 1854, at Point Barrow, on the shores of the polar sea' by Edward Sabine 4 September 1857
RR/4/260Referee's report by Humphrey Lloyd on a paper 'On the great magnetic disturbance which extended from August 28 to September 7, 1859, as recorded by photography at the Kew Observatory' by Balfour Stewart14 August 1861
RR/5/114Letter from Humphrey Lloyd, on a paper 'On the simultaneous distribution of heat throughout superficial parts of the earth' by Henry Hennessy to George Gabriel Stokes19 November 1862
MS/119/2/4Letter from Humphrey Lloyd, Trinity College, Dublin to Charles James Buchanan Riddell 30 December 1839
MS/119/2/102Letter from Joseph Henry Kay, Magnetic Observatory Rossbank to Humphrey Lloyd, Trinity College, Dublin12 November 1840
MS/119/2/74Letter from Frederick Marow Eardley-Wilmot, Cape of Good Hope Observatory to Humphrey Lloyd, Trinity College, Dublin20 April 1840
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