Record

Authorised form of namePepys; William Hasledine (1775 - 1856); surgical instrument maker and natural philosopher
Dates1775 - 1856
NationalityBritish
Place of birthLondon, England, United Kingdom, Europe
Date of birth23 March 1775
Place of deathEarl's Terrace, Kensington, London, England, United Kingdom, Europe
Date of death17 August 1856
Dates and placesBurial:
Terrace Catacombs, Highgate Cemetery, London, England, United Kingdom, Europe
OccupationScientific and surgical instrument maker
ActivityCareer:
Apprenticeship under his father (1789-1796); liveryman with Worshipful Company of Cutlers (1796); succeeded to and extended his father's business to include scientific instruments (1805); developed various apparatus including a soda-water apparatus (1798), a eudiometer (1807), a voltaic coil (1817), and a mercury gasometer; twice master in the Cutlers' Company (1820s); benefactor to the Cutlers' charities; designed and equipped the London Institution's laboratory at Finsbury Circus (1819); fulfilled a variety of roles within the Royal Institution (1800-1846)
Memberships:
Fellow of the Geological Society (active in the British Mineralogical Society (1799) and the Askesian Society, merged to form Geological Society; Treasurer and Vice-President); Society of Arts (1801); Pitt Club (1822); Royal Asiatic Society (1823); Athenaneum; Royal Institution (one of original proprietors, PRI)
Membership categoryFellow
Date of election28/01/1808
Age at election32
Royal Society activityRoyal Society roles:
Sworn in on 1 December 1832
Committee and panels:
Metereological Committee (22 December 1831); ; Committee for Report on Hydrometer (1 December 1832); ; Catalogue Committee (5 December 1833); ; Excise Committee (1 December 1832); ; Committee of Chemistry (31 May 1838)
RelationshipsParents: William Hasledine Pepys and Letitia Weedon
Married: Lydia Walton
Children: seven overall, including William Hasledine Pepys and Robert Edmond Pepys
General contextPepys was one of the founding members of the Askesian Society in 1796 and also frequently corresponded and collaborated with Quaker scientists such as William Allen and Luke Howard. His inventions and apparatus contributed to progress in a variety of fields, e.g. chemistry, botany, and medicine.
SourcesSources:
Bulloch's Roll; DNB; ODNB
'The Quarterly Journal of Science and the Arts' (London), Vol. 1, pp.193-194
References:
David Gooding, '"He Who Proves, Discovers": John Herschel, William Pepys and the Faraday Effect' in NR 1984-85 vol 39 pp 229-244
Virtual International Authority Filehttp://viaf.org/viaf/40162552
Royal Society codeNA7547
Archives associated with this Fellow
Reference numberTitleDate
EC/1807/17Pepys, William Hasledine: certificate of election to the Royal Society
MM/13/89Minutes of meeting of the Excise Committee 13 January 1835
CB/1/1/227Letter from Claude Louis Berthollet to Charles Blagden31 August 1808
IM/003510Pepys, William Hasledinend
MS/155Notes and reprints of papers by William Hasledine Pepys19th century
RR/1/44Referee's report by William Hasledine Pepys, on a paper 'Further observations on voltaic combinations' by John Frederic Daniell1 June 1837
RR/1/54Referee's report by James Cumming and William Hasledine Pepys, on a paper 'Some experiments and observations on the combinations of carbonic acid and ammonia' by John Davy[1830]
RR/1/80Referee's report by William Hasledine Pepys, on a paper 'Researches on the arseriates, phosphates, and modifications of phosphoric acid' by Thomas Graham[1833]
RR/1bis/37Referee's report by William Hasledine Pepys, on a paper 'An experimental inquiry into the influence nitrogen on the growth of plants' by Robert Rigg13 July 1838
RR/1/68Referee's report by William Hasledine Pepys, on a paper 'On the nature and origin of the Aurora Borealis' by George Fisher[1830]
RR/1/137Referee's report by William Hasledine Pepys, on a paper 'On certain properties of vapour' by Dionysius Lardner[c.1832]
RR/1/176Referee's report by Thomas Graham, on a paper 'On the respiration of the leaves of plants' by William Hasledine Pepys10 October 1843
RR/1/206Referee's report by Samuel Hunter Christie and William Hasledine Pepys, on a paper 'On the law which connects the various magneto-electric phenomena, lastly discovered by Dr Faraday' by William Ritchie31 January 1838
RR/1/79Referee's report by William Hasledine Pepys, on a paper 'Inquiries respecting the constitution of salts. Of oxalates, nitrates, phosphates, sulphates and chlorides' by Thomas Graham[1837]
RR/1/90Referee's report by William Hasledine Pepys, on a paper 'Observations on heat lightening' by Hancock 14 March 1833
MM/13/84Minutes of meeting of the Excise Committee11 December 1832
MM/13/85Minutes of meeting of the Excise Committee 20 December 1832
MM/13/90Minutes of meeting of the Excise Committee 13 January 1835
MM/13/91Minutes of meeting of the Excise Committee 20 February 1836
CMP/1/1Minutes of a meeting of Council of the Royal Society1 December 1832
MM/13/87Minutes of meeting of the Excise Committee 22 January 1833
MM/13/86Minutes of meeting of the Excise Committee 15 January 1833
CMP/1/2Minutes of a meeting of Council of the Royal Society13 December 1832
PT/2/17/2Plate, diagram of water gasometer by Silvanus Bevan[1808]
PT/1/16/2Plate, figures showing components of eudiometer by Silv [Silvanus] Bevan[1807]
PT/1/18Paper, 'On the quantity of carbon in carbonic acid' by Wm [William] Allen and Wm [William] Hasledine Pepys[1807]
PT/1/18/1Manuscript, 'On the quantity of carbon in carbonic acid' by Wm [William] Allen and Wm [William] Hasledine Pepys[1807]
PT/1/16/1Manuscript, 'A new eudiometer, accompanied with experiments, elucidating its application' by Wm [William] Hasledine Pepys[1807]
PT/1/16Paper, 'A new eudiometer, accompanied with experiments, elucidating its application' by Wm [William] Hasledine Pepys[1807]
PT/2/17Paper, 'On the changes produced in atmospheric air, and oxygen gas by respiration' by W [William] Allen and W H [William Hasledine] Pepys[1808]
PT/1/18/2Plate, illustration of gasometer by S [Silvanus] Bevan[1807]
PT/2/17/1Manuscript, 'On the changes produced in atmospheric air, and oxygen gas by respiration' by W [William] Allen and W H [William Hasledine] Pepys[1808]
PT/3/26/2Plate, engraving showing design and arrangement of water gasometer, drawn by Martin and engraved by J [James] Basire[1809]
PT/3/26Paper, 'On respiration' by Wm [William] Allen and Wm [William] Hasledyne [Hasledine] Pepys[1809]
PT/3/26/1Manuscript, 'On respiration' by Wm [William] Allen and Wm [William] Hasledyne [Hasledine] Pepys[1809]
PT/3/26/3Plate, final engraving showing design and arrangement of water gasometer, drawn by Martin and engraved by J [James] Basire[1809]
PT/16/18Paper, 'An account of an apparatus on a peculiar construction for performing electro-magnetic experiments' by W H [William Hasledine] Pepys[1823]
PT/16/18/1Manuscript, 'An account of an apparatus on a peculiar construction for performing electro-magnetic experiments' by W H [William Hasledine] Pepys[1823]
RR/1/175Referee's report by Charles Giles Bridle Daubeny, on a paper 'On the respiration of the leaves of plants' by William Hasledine Pepys22 September 1843
PT/27/11Paper, 'On the respiration of the leaves of plants' by Wm [William] Hasledine Pepys[1843]
PT/16/18/2Plate, diagram of Pepys' electromagnetic apparatus by [William Hasledine Pepys][1823]
RR/1/48Referee's report by William Hasledine Pepys, on a paper 'On the quantity and quality of the gases disengaged from the thermal spring which supplies the King's Bath in the City of Bath' by Charles Giles Bridle Daubeny[1834]
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