Correspondence between Blount and his father concerning his career, J Charlier (Clerk to the company) concerning business and Brunel concerning his resignation. The letters date from December 1840 to October 1842 and show Blount's career progress and give insight into his work. Personal Notebooks/Diaries covering 1842-July 1843 and 1847-1849. Various notes and excerpts from material and guides pertaining to Blount's profession. Also included are transcripts of letters.

The Company papers contain correspondence, press cuttings, articles, statistics and plans mainly concerning the 1930 scheme which was defeated in the House of Commons by seven votes. Unfortunately most of the company’s early papers were destroyed in a fire in their office at London Bridge station in 1941.

Papers of Professor Alfred John Sutton Pippard, 1909-1970, comprising biographical papers, 1909-1969, including an unpublished autobiography written towards the end of his life, two scrapbooks covering his career, two scrapbooks relating to his Presidency of the Institution of Civil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.

Papers of Professor William Cawthorne Unwin, 1856-1952, comprising correspondence, principally concerning engineering matters, 1856-1931, 1950,1952, notably with Edward Dean Adams, including the Niagra Falls Scheme, 1890-1929, Sir Benjamin Baker, including the Forth Bridge, dam schemes, 1882-1898, Sir William Fairbairn, including experiments, appointments, 1856-1874, Thomas Hardy, concerning astronomy, 1881, Imperial College, 1910-1926 (as representative of the Institution of Civil Engineers);
research papers, 1859-1924, notably Fay and Newall brakes, 1859, observations on the Thames, 1882-1883, Nile Project Committee, 1919, dam schemes, 1899-1905;
speeches and addresses to various institutions, including presidential addresses to the Institution of Civil Engineers, 1912, and Institution of Mechanical Engineers, 1916; engineering drawings, 1875-1906, of apparatus, machinery, sections of the Thames, Telok Ayer key wall, Singapore; two portraits of Unwin, undated;
additional material, comprising papers relating to Windsor Water Works arbitration, 1884; reports on compression gauges, 1886-1887; Birmingham dams, 1895; notes on dam theory, 1905; papers relating to Stockport water supply and Kinder Dam, 1905; notes relating to schemes for Niagra and central London.

Records relating to the City and Guilds College (formerly the Central Institution of the City and Guilds Institute), 1876-1995, comprising a history, 1896; printed reports and schemes for the new institution, 1876-1884; speeches and accounts of the opening of the Central Institution, 1884; correspondence relating to the Jubilee, 1933-1935; programmes of the Central Institution, 1884-1931; letter books of the Secretary to the City and Guilds College Delegacy, 1911-1927; papers relating to the City and Guilds College Centenary, 1885-1985, and visitor's book (FC);
minutes of the Board of Studies, 1885-1913; report on equipment, 1889 (FE);
papers relating to the Engineering Board, notably minutes, 1915-1965, 1980-1984; correspondence and papers, 1911-1935; conference on postgraduate courses, 1962-1965; Chairman's notes and correspondence, 1955-1961; correspondence of the Research Committee, 1932-1951; senior appointments, 1913-1933 (FF);
papers of the Delegacy, notably minutes and reports, annual reports of the Dean of the Central Institution, 1911-1968; correspondence, 1910-1937, including research grants, 1915-1921; appointment of members, 1936-1970; minutes and accounts of the Finance and Special Committees, 1911-1924; correspondence and reports of the Organisation Committee, 1930-1931; chairmans' notes and correspondence, 1954-1968, donations, 1934-1936 (FG);
papers relating to links with Imperial College and the University of London, notably history of the City and Guilds London Institute, 1910; joint meetings and committee relating to the Delegacy, 1907-1910, 1955; correspondence of the Delegacy concerning the University of London, 1911-1921; degree and diploma examinations, 1926-1930; suspension of the Delegacy, 1966-1976 (FH);
papers relating to staff roles, including staff conference with Imperial College, 1911-1912; powers and duties of the Rector, 1918 and Deanship, 1931-1936; organisation and administration, 1918; papers relating to the Chemistry department, comprising regulations, examination papers and course notes of Professor Henry Edward Armstrong, 1884-1897; papers relating to the Civil and Mechanical Engineering Department, comprising notebook of Professor William Ernest Dalby on courses, 1904-1908; notes on lectures given by Professor William Cawthorne Unwin, 1885-1887; lecture and laboratory notebooks of C E H Salmon, 1894-1896; examination papers, 1913; correspondence relating to the Unwin Library, 1933-1934; papers relating to the Mechanics and Mathematics department, comprising notes on lectures given by Professor Olaus Henrici, 1885-1889; examination papers, 1888-1929; papers relating to the Electrical Engineering department, comprising notes on lectures given by Professor William Edward Ayrton, 1885-1887, notebooks of C Percy Taylor, 1892-1895 (FK);
records relating to students, 1884-1913 (FP); matriculation and entrance examination results; 1905-1938, examination results, 1887-1913 (FQ); registers of students, 1884-1948, tuition fees ledgers, 1911-1918, attendance registers, 1919-1940 (FR); Central Gazette and other journals, 1889-1906 (FSG).

Papers of Robert Mylne relating to the drainage of the Fens, 1791, comprising;

1. Report, dated 26 Oct 1791 at New River Head, London, to the 'Committee of Land Owners and Others, interested in the Improvement of the Outfall of the River Ouze [at King's Lynn]', annotated, corrected and signed by Mylne. This report differs slightly from that printed in 1792 (for a copy see Goldsmiths' Library G.L. Cat. 15332); it does not, however, contain the appendix which forms pp.39-52 of the printed report.
2. 'List of Writers on the Fens', dated Nov 1791, giving 83 entries, some in pencil, from 1100-1791, mentioning books, printed reports and Acts of parliament.

'Specification for rebuilding London Bridge to the design of the late John Rennie, Esq'. Dated at the Guildhall, 5 Dec 1823. Belonged to John Urpeth Rastrick but may not have been created by him.