Papers of the North Thames Gas Board, comprising records of predecessor companies, including the Brentford Gas Light Company, the Gas Light and Coke Company, Harrow and District Gas Company, the Harrow and Stanmore Gas Company, North Middlesex Gas Company, Pinner Gas Company, Uxbridge Old Gas Company, the Hornsey Gas Company Limited, and Staines and Egham District Gas and Coke Company Limited, 1708-1947. Records include assignments of interest, leases, releases, fines, copies of wills, mortgages, papers relating to bankruptcy, conveyances, depositions, agreements, deeds, marriage settlements, testimony, bonds, quit rents, correspondence, abstracts of title, Chancery proceedings, sale particulars, licences, engineers reports, Parliamentary Bills and financial accounts for properties, businesses and persons in Acton, Brentford, Ealing, Chiswick, Greenford, Harrow, Hendon, Heston, Hornsey, Isleworth, Northwood, Pinner, Southall, Tottenham, Twickenham and Uxbridge. Also memorandum and articles of association for the Hornsey Gas Company, description of the Hornsey Gas Works, and regulations of the Staines and Egham District Gas and Coke Company Limited.

Papers of the Uxbridge and Hillingdon Gas Consumers Company, 1834-1924, including prospectus; certificates of registration; deed of settlement; list of shareholders; copy of Uxbridge Gas Act; correspondence; petition; handbills and posters; circular letters; notices; bonds; contracts; plan of the houses, lands and buildings situated within a radius of 330 yards from the works of the Uxbridge and Hillingdon Gas Consumers Company, with book of reference listing owners, lessees and occupiers; schedule of repairs; valuation of machinery and apparatus; list of meters; financial accounts; engineers reports; directors' reports; annual reports; agreement for transfer of Maidenhead Gas Company; report of the directors of Great Marlow Gas Company Limited, with account of intended amalgamation with the Uxbridge, Wycombe and District Gas Company; minute books of the Committee of Uxbridge and Hillingdon Gas Consumers' Company.

Papers of the North Middlesex Gas Company, 1869-1932, including printed account books and reports of the Company.

Papers of the Gas Light and Coke Company, 1896-1929, including agreement between the Warden and College of All Souls, Oxford and the Gas Light and Coke Company to lay gas main through College lands in Willesden and leases of 38 Oxford Road, Kilburn to the Gas Light and Coke Company.

Records of the Independent Gas Light and Coke Company, 1827-1875, comprising minutes of Directors and Shareholders meetings with some enclosures including letters, notices, circulars, and prospectuses.

Records of the Ratcliff Gas Light and Coke Company, including Bill and Act (4 Geo. IV cap. xcviii) for lighting with gas the parishes of St. Botolph, Aldgate, St. Paul, Shadwell, and parts of St. George-in-the-East, St. John, Wapping, Mile End Old Town and Ratcliff, 1823; notices; particulars of sale of shares in the company; agreements and contracts; papers relating to legal actions and lawsuits; correspondence; and papers relating to Company premises in Stepney and Wapping.

Records of the Commercial Gas Light and Coke Company, including half yearly report and accounts submitted by the Directors of the Commercial Gas Company to the Proprietors; reports of proceedings of ordinary half yearly meetings; register of stockholders attending ordinary annual meetings of the Commercial Gas Company; original prospectus of the company; bye laws of the company; letters about Robert Jones and copies of articles by and about him; petition presented on behalf of stokers and gas workers; statement of average rates of wages paid during the year to various grades; photograph of the centenary dinner of the company, and two letters from the Rt. Hon. Hugh Gaitskell, M.P., Ministry of Fuel and Power; deed of trust and settlement of the Commercial Gas Light and Coke Company; alphabetical list of shareholders recording their receipt of the first dividend; agreement with other companies as to sphere of influence of the Commercial Gas Light and Coke Company, and indemnity and map; minutes of evidence before committee of inquiry into the company's proposed bill; Act for incorporating the Commercial Gas Light and Coke Company; Act to convert stock of the Commercial Gas Company and insurance policy on the company's works at Jonsons Fields, Stepney.

Records of the Equitable Gas Light and Coke Company, including endorsement to be made on the deed of settlement, 1835; supplemental deed of settlement, 1838; certificate of formal registration of the company, 1844; reports of the Company's Directors; papers relating to legal proceedings and lawsuits; correspondence; agreements and contracts; papers relating to premises owned by the Company in Kensington, Westminster, Pimlico and Chelsea.

Records of the Wandsworth and Putney Gas Light and Coke Company, 1834-1912, comprising deed of settlement and series of minute books for Directors Meetings and Shareholders Meetings.

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 Tottenham and District Gas Company, 1847-1959, including register of shareholders and stockholders; minutes of shareholders' meetings; minutes of directors' meetings; out-letter book of board of directors; reports of the chief engineer and general manager to the directors, containing details of coal stocks, gas consumption, laying of mains, etc.

Reports of the managing director to the directors, incorporating those of both the chief engineer and the gas sales manager; reports of the secretary to the directors; files of printed Acts and Orders and correspondence; financial and accounting records; staff records and estimate and bill of costs for the extension of showrooms and offices at 639 High Road, Tottenham.

Records of the Southgate and District Gas Company, 1858-1938, including volume of Acts of Parliament relating to the Gas Companies; registers of shareholders; list of proprietors; registers of debenture stock and of debenture stockholders; register of transfers of stocks and shares; minutes of shareholders' meetings; minutes of directors' meetings; financial and accounting records.

Records of the Hampton Court Gas Company, consisting of twelve volumes of signed minutes of directors' meetings of proprietors, 1937-1949. The majority of the volumes contain certain cuttings about the company and the gas industry in general which have been extracted from local newspapers and pasted inside the front and back covers.

Records of the Tottenham and District Gas Company, 1916-1948, consisting of agreements to supply gas and correspondence.

Records of the National Light and Heat Company, comprising mounted facsimile of programme for admission to meeting at 97 Pall Mall to establish the National Light and Heat Company, to exploit F A Winsor's hydrocarbonic lights. Facsimile undated, original item 1807.

Records of the Commercial Gas Light and Coke Company, 1844-1949. The records include minutes of directors' meetings, correspondence, half-yearly reports of the company, newspaper cuttings and miscellaneous papers. Also notice of meeting of shareholders of Crystal Palace District Gas Company.

Records of the Crystal Palace District Gas Company, later called the South Suburban Gas Company, 1853-1949. The records include deeds of settlement, proprietors' and directors' meeting minutes and committee meeting minutes and a volume relating to a Parliamentary Bill, 1903.

Records of the Equitable Gas Light and Coke Company, 1831-1949, including minutes of Director's meetings; minutes of shareholder meetings; minutes of Committee of Works; minutes of Committee of Accounts and General Purposes; minutes of the Conference of representatives from the Equitable, London and Chartered Gas Light Companies; deed of settlement; site plan of gasworks; legal case papers and press cuttings.

Records of the London Gas Light and Coke Company, 1833-1883, comprising Directors' meetings signed minutes; Shareholders' meetings signed minutes; Committee of Works, Estimates, Contracts and Buildings signed minutes; Committee of Finance signed minutes; and Committees of Works, Finance and Inspection, and General Board signed minutes.

Records of the Great Central Gas Consumers Company, 1846-1870, including certificate of formal registration of the company; reports of the Company's Directors; bills of costs in various legal transactions and suits; correspondence agreements; contracts for lighting various parishes; deeds and plans for various premises.

Signed minutes of the Committee of Management of the South London Gas Light and Coke Company, 1823-1824.

Papers of Sir Alfred Egerton, 1908-1958, comprising research papers, notes and reports largely relating to explosives, manufacture of ammonia and hydrogen, [1916-1925], laboratory work at Oxford, 1919-1926, work for the Admiralty, 1940-[1950], papers relating to patents, 1928-1958; research notebooks, 1908-1937, including some correspondence and notably concerning vapour pressure of metals, amides of metals, residual gases in discharge tubes; lecture notes concerning combustion; papers on optical pyrometry, 1933-1938; correspondence and papers relating to research on the properties of steam, steam tables, international conferences on steam, 1930-1946.

Records of the Colombo Gas and Water Company Limited, comprising constitutional documents, minutes and correspondence, share records, accounts and title deeds. It should be noted that CLC/B/054/MS14890 requires proof of identity to see.

Records of the Chartered Gas Light and Coke Company, 1812-1949, including Director's meeting minutes; Proprietors' Meeting minutes; Committee of Accounts, Finance and Audit minutes; Committee of Works minutes; Committee of Works and Products minutes; Committee of Chemistry and Machinery minutes; Committee of Light and Experiments minutes; Committee on Machinery and Works minutes; Committee on the Provision for Wear and Tear minutes; financial accounts; map of London Gas Companies' Districts; evidence presented to various Committees including Select Committees; proceedings in Parliament relating to the gas companies; and Gas Light and Coke Company's Acts, Charter and Bye-Laws.

Records of the Imperial Gas Light and Coke Company, 1821-1878, including Directors' meeting minutes and orders; Shareholders' meeting signed minutes; Committee for General Purposes signed minutes; Committee for Works signed minutes; Committee for Accounts signed minutes; appointments and emoluments of Officers; Committee for Works rough minutes; summary of half-yearly accounts of Metropolitan Gas Companies including The Imperial, Gas Light and Coke Company, Commercial, Independent, Ratcliff, London, Phoenix, South Metropolitan and Surrey Consumers and bound volume of Acts relating to the Company, Gas, Public Companies and so on.

Records of the City of London Gas Light and Coke Company, 1705-1881, comprising deeds of title and co-partnerships and letters, relating to premises in Water Lane, Pigs Quay Wharf and other premises between Tudor Street and Water Street; and deeds relating to premises between Whitefriars Dock, Victoria Embankment and Tudor Street, near to Dorset Street.

General records relating to the supply of gas, 1825-1948, collected by the North Thames Gas Board and predecessor companies. Includes draft Parliamentary reports leading up to the Act for better regulating the supply of gas to the metropolis, 1860; minutes of weekly meetings of a Committee of Chairmen of the Metropolitan Gas Companies in connection with the Parliamentary Committee inquiring into the Metropolis Gas Act, 1860; Bill and relevant papers concerning the proposed amalgamation of all or some of the metropolitan gas companies; drafts, petitions and briefs concerning the London Corporation Gas Bill; report from the Board of Trade on the current Railway, Tramway, Gas and Water Bills, 1870; Gas and Water Facilities Bill, 1870; press cuttings; statistical information about gas companies, 1865.

Also papers relating to individual gas companies including Bill to establish a company for illuminating London and Westminster with oil gas (the London and Westminster Oil Gas Company), 1825; minutes of evidence before the House of Lords' select committee on the Phoenix Gas Bill, 1864; half yearly reports and accounts submitted by the Directors of the Phoenix Gas Light and Coke Co. to the Proprietors; Bills and Acts affecting the powers of the South Metropolitan Gas Light and Coke Company; Bill amending powers of the Surrey Consumers' Gas Light and Coke Association; annual reports and accounts submitted by the Directors of the Surrey Consumers' Gas Company to the Shareholders.

Records of the Western (Cannel) Gas Light Company, including half yearly reports and accounts submitted by the Directors of the Western Gas Light Company Limited to the shareholders; certificates of registration of the company; return of schedule to the deed of settlement, showing name, address and profession of shareholders; list of proprietors of the company, showing name, address and number of shares held by each; assignment of debts and shares as security for repayment; contract for lighting part of Notting Hill lighting district; agreements and licences for laying mains in various districts; schedule of deeds, drafts and correspondence for company premises in various locations including Kensington, Westminster, Marylebone and Kensal Green.

Records of the Western Gas Light Company, 1821-1860, including deed of settlement, Acts of Parliament relating to the Company, licences, papers relating to property, legal case papers, minutes of Directors' meetings and minutes of Shareholders' meetings.

Records of the Woolwich Consumers Protective Gas Company, later the Woolwich, Plumstead and Charlton Consumers Gas Company, 1844-1884, comprising minutes of meetings of the Directors and the Proprietors, and deed of settlement.

Records of the London County Council Public Control Department relating to weights and measures and gas testing, 1888-1972, including records of Daily Gas Testing; Gas Testing Weekly Returns; reports and conferences relating to gas supply; quarterly reports of the Chief gas examiner; quarterly reports by the LCC chemist and reports regarding the Weights and Measures Acts.

Samples of records including journal of weights, measures, weighing and measuring instruments submitted for verification and fees received by the inspector of weights and measures; journal of fines; certificates of measures verified; certificates of weighing on a public weighbridge; certificates for weighing mechanically propelled vehicles; receipts of glassware for testing; glass-testing book; public notice concerning Publicans' Glass Measures; public notice concerning Sale of Bread; standards and testing of gasholders testing sand-blast machines; papers relating to the re-verification of local standards, scale-beams, and so on with the Board of Trade.

Veritas Gas Mantle Works, Garratt Lane. Includes papers belonging to H.G. Morgan, Director, as well as photographs, correspondence, plans and ephemera.

Records donated by the London Gas Museum, comprising some 400 Ordnance Survey sheets of various scales and editions, 1893-1989. Many have been amended to show property owned or leased by the Gas Light and Coke Company, the Brentford Gas Company or the North Thames Gas Board. These properties tend to be gas works or showrooms. The plans cover only parts of the area north of the River Thames. There are no sheets for areas south of the Thames. A later deposit consisted of staff magazines and photographs for both the North Thames Gas Board and the South Eastern Gas Board.

Records of the London Gas Light Company, including half yearly reports and accounts submitted by the Directors of the Company to the Shareholders; contracts for lighting parts of Chelsea, Saint Pancras and the Tothill Fields districts; agreements with various road authorities concerning the laying down of gas mains in South London; and papers relating to premises in Lambeth and Battersea.

Records of the North Woolwich Undertaking, comprising papers relating to a messuage called "the Gallions" and 115 acres in North Woolwich, and 10 acres in the parish of Barking, 1774-1801.

Records of the Phoenix Gas Light and Coke Company, 1824-1880, including Proprietors' meeting minutes; Directors' meetings signed minutes; minutes of the Committee of Directors on extravagant burning; and minutes of the Accounts Committee of Directors.

Records of Shoreditch Independent Gas Light Company, comprising minutes of Directors' meetings, 1824-1827.

Directors' Meetings Minutes for the Surrey Gas Consumers Gas Company, 1877-1879.

Records of the Sydenham Gas and Coke Company, 1852-1866, comprising Deed of Settlement and one Shareholders and Directors meeting minute book.

Records of the Woolwich Equitable Gas Light and Coke Company, 1832-1865, comprising small collection of minutes and annotated copies of deed of settlement and indentures amending it.

Records of the Wandsworth, Wimbledon, Epsom and District Gas Company, 1913-1949, comprising minutes of Proprietors and Directors meetings, agenda books, and papers relating to the Pension Trust.

Agreements re appointment of John Ohren of Lower Sydenham as general manager and engineer-in-chief to the Montevideo Gas Company Ltd, Uruguay, 1887, and deeds re change of name of Ohren family to Ovington, 1891.

Agreement, dated 23 Oct 1868, between Albert Rumball, Thomas Rumball, Joseph Rivolta, John Septimo Rivolta and Vincent Wanostrocth to share the expenses of a journey to be made to St Petersburg by Albert Rumball, and the profits should licences be obtained to form the 'Azoff [Azov] and Don Gas Company'. Signatures of parties and witnesses.