Manuscript letter, dated 22 February, 1643, containing an Order of the Committee of Revenue to Thomas Fauconbridge, Receiver of Crown Revenues, to pay 'the poore Pewterers or Hammer men' of London the sum of £100, due to them by virtue of an Act of Parliament. The letter is signed by members of the Committee for Revenue, including Sir Henry Vane, Sir Henry Mildmay, Francis Rous, William Ashhurst, Thomas Hoyle and Dennis Bond. With a receipt dated 27 February 1643, bearing 56 signatures or marks and the signature of Robert Leeson, Warden of the Worshipful Company of Pewteres.

Records of the Worshipful Company of Engineers, 1982-2008, comprising an official printed copy of the charter of incorporation with an associated letter, court minutes, 1982-2008, and annual reports and accounts, 1984-2007.

IMPORTANT INFORMATION REGARDING ACCESS: These records are stored at the Guildhall Library site rather than the LMA Clerkenwell site. Researchers wishing to access these records should do so at the Guildhall Library Rare Books table. The Library is open Monday to Saturday, 9:30 to 16:45. Researchers will need to have an Archives History Card or a Library Readers Card. An archivist will be available at Guildhall Library on Thursday mornings to answer any queries.

Records of the Westminster Paving Commissioners, comprising assignments and agreements relating to contracts and loans.

Copy of Court Orders of Westminster Commission of Sewers, 7 and 28 June 1709, allowing Mrs Katherine Akrode to make a drain from her house in Butcher Row, Saint Clement Danes, into the sewer there, 28 June 1709.

Records of the West Middlesex Waterworks Company relating to water supply and distribution, including Engineer's reports; Engineer's diaries for technical matters and workmen's time; Inspectors' technical diaries; revenue survey volumes; water supply and distribution volumes and files.

Staff records of the West Middlesex Waterworks Company, comprising correspondence relating to the appointment of JA Christie.

Property records of the West Middlesex Waterworks Company including trade rental books and rental volumes.

Corporate records of the West Middlesex Waterworks Company, including Board of Directors minutes; General Assembly minutes; Committee minutes; letter books and correspondence; legal papers; records relating to stocks and shares; files on Royal Commissions on water supply; and general files of the Secretary.

Financial records of the West Middlesex Waterworks Company, including ledgers; cash books and journals.

Typescript copy, 1991, by Elizabeth Mardel of journal (1891) of William Walmsley, chronicling his journey to Zanzibar, everyday events, his impressions of customs and life in Zanzibar, including slavery, and his illness. The diary stops a few days before Walmsley's death.

Engineering designs for Phillipe de la Hire of L'Academie Royale des Sciences, 1735.

Records of Bedfont and Bagshot Turnpike Trust, 1763-1850, including minutes; financial accounts; grants of land; correspondence; reports and Acts of Parliament.

Records of Colnbrook Turnpike Trust, 1728-1871, including minutes; financial accounts; assignments; leases of tolls; conveyanves and other deeds; plans; correspondence; bonds and Acts of Parliament.

Minutes of the Hampton and Staines Turnpike Trust, 1826-1859.

Papers relating to turnpike roads, comprising copies of the 1766 Act to repair the highways between Tyburn and Uxbridge... and for amending the road from Brent Bridge over Hanwell Heath, through... Hanwell, New Brentford, and Ealing to the Great Western Road; and for lighting, watching, and watering the highway between Tyburn and Kensington Gravel Pits; a plan of the Great Road from Tybourn to Uxbridge and from Brent Bridge to Brentford; and the 1794 Act to continue the term and enlarge the powers of the 1766 Act.

Papers relating to British railway history, especially that of the Great Western Railway (GWR) and railways in the London area, including books, maps, periodicals, timetables and several thousand photographs, c1920s-1980s. The books represent a strong collection on British railway history from earliest times to the early 1980s. The collection is less strong in periodicals but there are some substantial runs of major titles. There is a large collection of early railway maps including Airey and Railway Clearing House (RCH) maps; also Ordnance Survey maps and railway junction diagrams, and a substantial collection of Bradshaw guides, and working and passenger timetables, with the following archival material:

Clinker Collection comprising notes and correspondence relating to the publications of Charles Ralph Clinker on railway history, particularly his Register of closed passenger stations and goods depots in England, Scotland and Wales, 1830-1977 (1963, revised 1978) and papers relating to his 1982 revision of the History of the Great Western Railway (London, 1964) by E T MacDermot; timetables, including those for the Bristol area, 1880s-1970s; General Strike, 1926; timetables during other strikes, 1920s; Great Western and Midland, various notices; Midland and South Western Junction Railway timetables, 1885-1947; operation instructions, GWR, London Midland and Scottish (LMS), London and North Eastern Railway (LNER), Southern Railway (SR); GWR working of stations, 1939-1965; LMS Railway train marshalling, 1943-1944; LMS timetables, 1890s-1940s; train arrangements during World War One and World War Two, 1914-1918, 1939-1945; papers relating to Broadgauge conversion; papers relating to Golden Valley Railway and Leominster-Kington Railway; ephemera relating to the Hay Railway, 1811-1977; Southern Railway plans for stations west of Salisbury, 1905- (mainly 1920s-1930s); Severn Bridge, General Manager's file, 1936-1943; logging of train performances, 1918-1927; books and periodicals, including rare and 19th century printed material on the early railway system, particularly guidebooks and station instructions.

Garnett Collection, mainly comprising railway maps, particularly those produced from 1869 by John Airey, an employee of the RCH, and subsequently by the RCH itself, and also includes Ordnance Survey maps and railway maps produced by the various railway companies; catalogues and research notes by Garnett, including lists of maps prepared by Airey and the RCH, 1869-1960; Macaulay [Zachary] series for Great Britain, Ireland and London, 1851-1908; notes on tramways and railways in Port Talbot area; catalogues of station handbooks, 1851-1956, and railway junction diagrams (the Airey and RCH maps, station handbooks and junction diagrams were used to determine ownership of stations and junctions for commercial purposes).

Research notes and photographs relating to Railway structures by Stuart Kear (9 vols); typescript of Chronology of the construction of Britain's railways, 1856-1922 by Leslie James; research notes by John Palmer on 19th century railway periodicals and the Eastern Counties Railway in its formative years; research notebooks and papers of Harold Vernon Borley on the history of railways in London, used for his Chronology of London railways (Railway and Canal Historical Society, Oakham, 1982).

Locomotive and General Railway Collection, featuring several thousand photographs (photographer unknown) of British locomotives, particularly steam trains, 1920s-1970s.

Wookey Collection, comprising several thousand photographs of British railway stations and signal boxes.

Mowat Collection (of Professor Charles Loch Mowat, 1911-c1969), comprising 2500 photographs in albums of railway scenes, 1926-1969 (mostly 1942-1969, with a few before 1924). These are mostly of small and medium sized railway stations (trains are generally incidental), covering most of the United Kingdom, with particular emphasis on the GWR and Wales, with coverage of Somerset and Dorset, Midland and South Western Junction, Lincolnshire, Midland Railway in the West Country, Great Eastern, Glasgow and Edinburgh Suburban, Bristol Suburban, Ireland, and narrow gauge lines in the UK such as Ffestiniog, Penrhyn, Bishop's Castle and Ditton's Prior. He also covered south east of Manchester in 1962, including the Hayfield, Macclesfield, Buxton (London North Western and Midland) and North Staffordshire lines. The collection also includes Mowat's index to his photographs and 14 notebooks containing track diagrams and notes on the stations he photographed, c1920-1969.

The papers of Herbert Tomlinson, [1895-1904], comprise a printed volume of lectures delivered to the Royal Society by Tomlinson between 1881 and 1889, mainly concerning the effects of strain in materials and on viscosity.

Records of Thames Water predecessor companies (water supply) and local authorities (waste water management including sewer network), comprising the following:

ACC/2558/CH: Chelsea Waterworks Company

ACC/2558/DV: Darenth Valley Main Sewerage Board

ACC/2558/EL: East London Waterworks Company

ACC/2558/GJ: Grand Junction Waterworks Company

ACC/2558/KE: Kent Waterworks Company

ACC/2558/LA: Lambeth Waterworks Company

ACC/2558/LC: Lee Conservancy Catchment Board

ACC/2558/LL: London Local Authorities, Metropolitan Board of Works, London County Council and Greater London Council

ACC/2558/MW: Metropolitan Water Board

ACC/2558/NR: New River Company

ACC/2558/S: Shadwell Waterworks Company

ACC/2558/SR: Staines Reservoir Joint Committee

ACC/2558/SV: Southwark and Vauxhall Water Company

ACC/2558/TW: Thames Water Authority

ACC/2558/WK: West Kent Main Sewerage Board

ACC/2558/WM: West Middlesex Waterworks Company

The records include corporate records and minutes, staff records, clerk's papers, records relating to water supply and distribution, technical reports, purchase records, property records, legal papers, plans, substantial series of photographs, glass plate negatives and lanterns slides (especially clean water: under ACC/2558/MW/PH, ACC/2558/MW/GP and ACC/2558/MW/L and sewer and waste water: under ACC/2558/LL/PH) and financial accounts and ledgers.

Cataloguing of this collection has been funded by Thames Water. For more information about the cataloguing project which was completed September 2019, please see 'The Thames Water Treasure Trove' in 'Source' magazine, July 2016 (library reference: 24.217 THA). London Metropolitan Archives would like to thank Thames Water for funding the cataloguing of this collection.

Records of the Port of London, Thames Conservancy and Thames Navigation, 1505-1994.

Port of London records include administrative papers, committee reports, accounts, annual reports, bye-laws, papers of the Committee of the House of Commons appointed to consider the best mode of increasing the accommodation of the Port of London, 1796-1799, city tonnage dues cash books and canal boat registration.

Thames Conservancy records include papers relating to the City's claim to the Thames soil, shores and bed; correspondence; reports; maps; acts and bills for the Conservancy of the River Thames; papers regarding the boundary stones marking the limits of the jurisdiction of the City of London; minutes of the Navigation Committee and Parliamentary papers.

Thames Navigation records include accounts, bye-laws, petitions and reports.

Also papers relating to fishing including conservation of fish stock and issue of licences; Parliamentary papers relating to the Thames and the Embankment; papers relating to maintenance of embankments and wharves; publications regarding various aspects of the history of the Thames.

Plans from the Technical Services Department, Corporation of London, including plans of sewers constructed in the City, 1838-1855, originally from the City Sewers Office; Engineering department plans showing improvements to the Corn Exchange, Mark Lane, 1870; changes to Chapel Street and Silk Street, 1877; improvements to Carter Lane and surrounding streets, 1875; improvements on Ludgate Hill and Creed Lane, 1882-1885 and St Paul's Churchyard, 1890; plan of the proposed route of the Central London Railway [Central Line] going through the City, 1890; plan and section of City Station on the Central London Railway [now Bank Station, Central Line], 1893; plan of Waithman Street with the London, Chatham and Dover Railway line, 1896; the proposed site of the Cleansing Department, Cannon Street, 1951; plans of Cleansing Department Depot and Wharf, Dowgate Dock, 1959.

Also volumes of 'Insurance Plans of London', 1886 - 1925; Ordnance Survey maps of London, 1848-1851, 1875, 1894-1896 and 1911-1921 and Ordnance Survey minor control point [reference points for mapping] albums of the City of London, 1940-1980, presented by the Ordnance Survey Records Department.

Records of the Technical Services department relating to the City Engineer, including authority to set up posts to preserve foot passage, 1736; Order from the Common Council to remove projecting signs, water spouts and so on to prevent obstructions, 1764; abstract of streets, lanes, courts, alleys and so on within the City showing the position and depth of public sewers, by William Haywood, surveyor, 1847; papers regarding the scheme of Frank Forster, engineer, for the drainage of districts north of the Thames, 1850-1851; papers regarding the schemes of the Great London Drainage Company, 1852-1854; report by Joseph Bazalgette and William Haywood on the sewage and drainage north of the Thames, with related papers including plans, objections and correspondence, 1853-1855; report by Joseph Bazalgette and William Haywood on the sewage and drainage south of the Thames, 1856; plans by Joseph Bazalgette in connection with Southern high level sewers, 1861; papers regarding the construction of the Commissioners of Sewers' new offices at Basinghall Street, including reports, agreements, plans, photographs and correspondence, [1860]; papers regarding the Central London Railway including acts and bills, petitions, correspondence, memoranda, plans, progress reports, evidence and invoices, particularly for Bank, St Paul's and Chancery Lane stations, 1871 - 1909; papers relating to the Royal Commission on London Traffic, consisting of interviews and evidence presented by City officials including the mayor, engineer, surveyor, chair of Bridge House Estates Committee, Public Health Department medical officer, City Solicitor, Superintendent of Police and the Director of the Great Northern Railway Company, 1903-1904; regulations for the laying of mains and so on beneath the public streets and for opening and closing pavements in the City, 1909; annual report of the London and Home Counties Traffic Advisory Committee, 1926-1927; papers relating to the clearing and repair of war damage, 1941-1946; articles and notes relating to the history of street lighting in the City of London, 1941-1976; photograph albums recording various streets and walkways in the City, focusing on street signs, [1990]; the City Engineer Quality Commitment manual, 1993 and consultation paper The Way Ahead: traffic and the environment, 1993.

Also papers relating to the numbering and naming of City streets, including register of numbered and renamed streets, 1853-1899, lists of streets with corrections to their names, 1878-1982, London County Council orders and correspondence, 1898-1955, Greater London Council orders and correspondence, 1971-1979, orders for the renaming of specific streets, 1986-1997.

Also papers relating to the Holborn Valley Improvement works, including acts and bills, papers of the Improvement Committee, observations and reports, memorandums, correspondence, applications for jobs, publicity material, estimates and abstracts of costs, engineer's financial accounts, technical measurements and other data, contracts, notebooks, speeches, lists of properties affected by the works, sales catalogues, correspondence with gas, water and telegraph companies, photographs, papers relating to statuary on the bridge including the Prince Consort memorial and papers relating to the exhumation of St Andrew's churchyard and the removal of remains, 1863 - 1873.

Papers relating to street easements including registers of petitions and applications, 1849-1899; registers of licences for hoards and scaffolds, 1858-1897; register and rental of licences for easements, 1899-1902; counterfoil licences for easements under vaults, 1870-1899; counterfoil licences for easements under coal plates, cellar flaps and so on, 1870-1899; counterfoil licences for easements over private lamps, signboards, cranes and so on, 1870-1899; counterfoil licences for easements over sky-signs, 1891-1896; counterfoil licences for easements over and under, 1899-1907; counterfoil licences for easements over reflectors, 1899-1907; counterfoil licences for easements upon and beneath vaults, 1907-1954; counterfoil licences for easements over lamps, signboards, cranes and so on, 1907-1939; notices regarding cellar flaps, 1881-1891; notices regarding projections, issued under the Sewer Act, 1899-1932 and indexes to registers of petitions and applications, 1849-1899.

Records relating to Teaching Methods and Equipment at Imperial College, 1948-1991, including papers of Interdisciplinary Research Centres, notably Population Biology, Process Systems Engineering, Semi-Conductor Materials; minutes and inventories of the Audio visual aids working party, 1966-1967; representation on the British Universities Film Council, 1948-1963 (LA);
Hale Committee Report on teaching methods, 1964-1965 (LB);
papers of the Educational Technology Committee, 1968-1978, including Rector's correspondence and report on computers (LC);
Education Forum leaflets; papers relating to Unusual Entry Procedure meeting, 1981 (LD);
papers concerning English classes, 1972-1974 (LE);
reports and correspondence of the Postgraduate education working party, 1975-1977 (LF);
papers relating to the presentation of technical education, 1958-1964 (LL);
papers concerning Pimlico Connection tutoring schemes, 1981-1991, comprising reports and brochure (LP).

Records of Sunbury Urban District Council, 1895-1971, including presented reports; correspondence, memoranda and copies of bye-laws, relating to the adoption of certain provisions of the Public Health Acts Amendment Act 1907; deeds, agreements and other documents relating to The Cedars Estate, Sunbury; papers relating to a dispute between the owners of Sunbury Park Estate and the Council; agreements and contracts for various works to be carried out, particularly road maintenance works, sewer and drainage works, housing construction, civil defence structures and war damage repairs.

Grant of letters patent (including a great seal) issued to Edwin William Thomas and Edward Nightscales for an improved self acting steam water lift and injector.

Records of Staines Local Board of Health, 1883-1929, comprising minute books, notice of bye-laws relating to Staines Commons and petition to Parliament for exclusion from Coal and Wine Duties Bill.

Records of Staines Urban District Council, 1894-1946, including minute books of various Committees including the Highways Committee and the Cemetery Committee; copies of agreements; reports and inquiries; financial accounts and town planning schemes including plans.

Records of Staines Rural District Council, 1894-1934, including Council minute books; Committee minute books; Parochial Committee minute books; reports; correspondence; housing scheme plans and town planning meetings.

Records of parishes in Staines, 1803-1953, including poor rate books; papers relating to tithes; papers relating to maintenance of roads, including plans; minute books of various Committees; and bills for maintenance work done.

Records of other bodies, 1828-1930, including the Commissioners of Staines Bridge; Staines Poor Law Union; Staines Joint Hospital District; Sunbury Hall Company Limited and Staines School Board.

Records of the Staines Reservoir Joint Committee, comprising progress reports from the Engineer.

Corporate records of the Staines Reservoir Joint Committee, including Committee meeting attendance books, proceedings books and minutes; legal papers relating to property, rating, water supply, stocks and shares, Parliamentary issues and contracts; correspondence and debenture stock volumes.

Financial records of the Staines Reservoir Joint Committee, including half-yearly accounts; journal; cash book; ledgers; register of wills and papers relating to payments to solicitors.

Records of the Staines Local Board of Health, Urban District Council and Rural District Council relating to road and bridge maintenance, provision of utilities and sewer and drainage works, 1876-1961, including correspondence; agreements; memoranda; contracts; deeds; copies of legislation; petitions; orders of the Local Government Board and licences.

Records of the Spencer-Philip family; primarily papers relating to property transactions, including extracts from court rolls, abstracts of title, leases, plans and rents, for premises in the Manor of Stepney (Whitechapel, Stepney and Mile End) and in Essex. Also building leases and agreements relating to the King David's Fort Estate, St George's in the East, and papers and plans concerning construction of London and Blackwall railway through that estate; an Act of Parliament relating to roads in St Leonard Shoreditch; and family certificates (baptisms, marriages, burials). The collection includes a manorial custumal for the Manor of Stepney, 1587.

Birmingham and Gloucester Railway time book, filled in by Herbert Spencer with details of his surveying work, [1838-1839].

Staff records of the Southwark and Vauxhall Water Company, including wages books; expenses books; time books and applications, testimonials and correspondence.

Records of the Southwark and Vauxhall Water Company relating to water supply and distribution, including Engineers' report books; Supervisors' report books; service pipe agreements; meter agreements; trade supplies report books; constant supply orders; building supplies registers; meter supplies records; fire report books; engine and coal accounts; calculations and statistics; works diaries; mains supply map books and registers of complaints.

Purchase records of the Southwark and Vauxhall Water Company, including works stock book; volumes recording good returned to stores; and volumes recording coal use.

General records of the Southwark and Vauxhall Water Company, including newscuttings books; papers relating to a legal case; papers relating to stocks and papers relating to works.

Corporate records of the Southwark and Vauxhall Water Company, including Board meeting minute books; Committee meeting minute books; Secretary's reports; correspondence and letter books; solicitor's accounts; legal papers; records relating to stocks and shares; registers of probates; mortgage records and contracts records.

Records of the South London Waterworks Company (later the Southwark and Vauxhall Water Company) including papers relating to shares; minutes of Director's meetings; stock certificates; papers relating to works and papers relating to a lawsuit.

Financial records of the Southwark and Vauxhall Water Company, including accounts; ledgers; journals; cash books; revenue ledgers; Collector's accounts; bankers books; disbursement books; and building supply accounts.

Records of the South West Essex Technical College and School of Art, later Waltham Forest Technical College and School of Art, 1938-1977, comprising:

Minutes and reports of boards and committees (very incomplete), 1938-1970; Annual Reports, 1939-1965; Constitution of the new Waltham Forest Technical College and School of Art, 1965; Constitution of the Students' Union, 1954; Armorial bearings of the South West Essex Technical College and School of Art; [1959]; Programmes and invitations for ceremonies and events, 1939-1963, notably the official opening ceremony of the College in 1939; Prospectuses and course handbooks (incomplete), 1938-1969; Publications, student magazines and staff articles, 1938-1977; Press cuttings, 1945-1977; Photographs of students, classrooms and the College building, [1950s]-1973; Prints, drawings and maps which were once framed and decorated the walls of the College, 1648-[1950s]; Staff and Student Theses, [1941]-1963.

Articles of partnership in the company of Simpson and Thompson, engine makers, 1825.

Records of the Shadwell Waterworks Company, comprising financial material including rent books; cash books; receipt books; wage books; account books and some papers relating to works carried out.

Copies of papers and photographs relating to his military career, 1915-[1921], dated 1915-[1921], [1970-1980] and 1983, principally comprising letters to his father, 1915-1916; his flying log book, 1915-1917, covering his service with 1 Reserve Aeroplane Sqn, Royal Flying Corps, UK and with 8 and 12 Sqns, BEF, France; notes and texts of lectures relating to aerial combat tactics, produced by instructors at the Royal Flying Corps School of Aerial Gunnery, 1916; his diary, 1918, including details of his work [as an experimental pilot with the Aircraft Directorate and the Air Board]; notebook containing notes on the performance of various aircraft, [1918-1921]; 'Memoir of service with the Royal Flying Corps, 1915 and 1916', written in [1970-1980].

Records of Rotax Limited including nominal and private ledgers covering holding company and subsidiaries, bound in one volume only. No other records are currently known to survive.

Material created by Ronalds' during his time abroad, and as Honorary Director of the British Association's Observatory at Kew, with various notes on electricity, 1818-1871. It comprises material relating to Ronalds' travels abroad including journals, notebooks, sketchbooks, bills of expenses, and correspondence relating to two journeys to Italy, Egypt, the Holy Land and the Greek Islands; Material relating to 'Sketches at Carnac' and atmospheric electricity including pencil sketches and notes on atmospheric electricity taken from published sources; Correspondence while Honorary Director at the British Association's Observatory at Kew, including letters to Ronalds from various correspondents, mainly dealing with aspects of meteorology and magnetism, and the affairs of the Observatory at Kew, with technical discussion of self-registration by photography, bifilar magnets, atmospheric electricity; Notes, reports and copy correspondence relating to Ronalds' time at the Kew Observatory including a foolscap notebook with several loose insertions relating to a system devised by Ronalds for propelling or towing vessels in water by means of a stationary fulcrum; Papers relating to telescopes, fires, meteorology and Report on Kew for 1849-1850, including notes and diagrams relating to the design of a stand for a telescope, material relating to the design of a self-acting fire alarm, barometric and temperature readings, material relating to expenses and experiments at Kew for report on the observatory 1849-1850 presented to the British Association at their meeting in 1850, papers relating to a proposed 'Turner's Manual' which Ronalds began writing 1838-1839; Papers relating to perspective, the electric telegraph, galvanism and electromagnetism, electric columns, atmospheric electricity, aquatic propulsion and drawing and surveying; Notes and sketches on items relating to various subjects, including a small catalogue of books on meteorology, electricity etc, and a bundle of unused photographic paper and some tracings from Ronalds' self registering instruments; Printed material relating to Ronalds' perspective tracing instruments; Extracts from diaries and newspaper cuttings; Portrait album of well-known European scientists.

John Urpeth Rastrick's surviving diaries and financial records, and other notebooks, 1805-1854.

Estimates in John Urpeth Rastrick's and another hand, usually endorsed and corrected by Rastrick, Dec 1843-Jul 1844.

Papers of John Urpeth Rastrick, 1800-1855, comprising a miscellany of correspondence (including drafts of copies of outgoing letters), with notes, engineering drawings, etc. Many of the notes and calculations are written in Rastrick's private cipher. Major correspondents include the London shipping iron merchants Henckell and Du Buisson; the 2nd Earl of Powis; John (later Sir John) Gladstone [father of W E Gladstone]; the lawyer, estate manager and politician James Loch and [?his son] George Loch; and Rastrick's sons and employees. Topics covered include the canal and railway interests of Rastrick and the other correspondents, as well as the iron industry. Most of the letters were dispatched to or from London or the industrial areas of South Wales and the West Midlands.

Records of the Pudney family of Sunbury including notes on notes on crops, yields, dates of work done on Manor Farm, Sunbury; valuations; leases of farmland at Ashford and Hersham; receipts; poor rate assessment book for the parish of Sunbury, 1857 and copy of accounts of surveyors of highways, 1875-1876, for the parish of Sunbury, 1876.

This record series mainly comprises reports, correspondence, statistics, staff manuals and historical summaries on the organisation, policy, development and operation of The Post Office Engineering Department and its successors.

Records of the Poplar Commission of Sewers, including Letters Patent appointing Commissioners, 1702-1837; writs and warrants, 1662-1847, including writs authorizing the Commissioners to execute their office faithfully, writs discharging certain Commissioners from their duties, writs to summon juries and warrants for collection of rates; registers of orders and decrees, 1629-1847; out letter book, 1828-1843; financial accounts and rate books, 1780-1847; New Testament belonging to the Commissioners, 1797; reference book listing owners and occupiers, 1817; and maps and plans of Poplar showing sewers and levels of land.

Papers of Professor Alfred John Sutton Pippard, 1909-1970, comprising biographical papers, 1909-1969, including an unpublished autobiography written towards the end of his life, two scrapbooks covering his career, two scrapbooks relating to his Presidency of the Institution of Civil Engineers, 1958-1959;
papers relating to scientific work, 1918-1969, largely concerned with research on aircraft structures, including committee papers and reports prepared for the Aeronautical Research Council in the interwar years; papers relating to the Thames Pollution Committee including Pippard's own account of its work;
papers relating to lectures, articles and broadcasting, [1920-1969], covering a variety of topics, including aircraft and aviation, engineering structures, education and training of engineers; BBC radio broadcasts, notably scripts for two series of talks to schools,1920s; correspondence, 1956-1967.

Manuscript 'Reasons for Mr. Hornblower's petitioning the Honourable House of Commons for an Act to extend the term of his patent', [24 Feb 1792]; the patent had been granted in 1781 for 14 years, permitting the use of his steam engine in the Cornish mines. The case of James Watt is cited: in 1774 he obtained an extension of a patent 'of a similar nature, for 25 years certain'.