Records of Harry Neal Limited, building and engineering contractor, 1937-1957, including files relating to building projects worked on by the company including:

• 1/3 Princes Gate

  • 160 Shaftsbury Avenue
  • 5 Portland Place
  • 16 Berkeley Square
  • Grosvenor Square
  • Saint Pancras Way Housing Scheme
  • Oxford Street
  • 117 Baker Street
  • 31 Montagu Square
  • Brompton Road
  • BBC building at 1 Portland Place
  • BBC telephones
  • 11 and 12 Mount Street
  • Dunster House.

  Also office files, financial accounts and file relating to builders accidents.

Plans made by the Engineer's Department, West Ham Borough Council, 1894-1966. The collection includes building plans, site plans, proposals for projects and Ordnance Survey maps. The maps have been amended by the engineers to show proposals or extent of works. The proposals include swimming pools, recreation grounds, public baths, sewers, new roads and unemployment relief works. There is a large amount of material relating to Whipps Cross Hospital, including contract plans. A detailed index of the plans can be found in hard copy at the LMA Information Area.

Letters from Thomas Laugher to the manager of his colour manufacturing business about the progress of the business in Laugher's absence.

Records of Whiffen and Son Ltd, manufacturing chemists, 1752-1972, including history of the company; articles of partnership and other contracts and agreements; legal documents relating to property; correspondence; circulars; financial accounts; papers relating to shares and shareholders; stock records; newspaper cuttings; photographs; staff wages books and pensions papers; records relating to staff associations and sports clubs including minute books; reports on chemical manufacture, laboratory notebooks and chemical analyses; papers relating to sales; papers relating to imports and foreign suppliers; advertisements; registers of product labels; samples of packaging; rules, regulations and legislation regarding factories and safety measures; papers regarding the Second World War including war damage to factories and papers relating to staff on active duty.

Also records of Saint Amand Manufacturing Company Limited including ledgers, letter books and journals.

Typescript draft, with corrections, of paper 'The Piltdown Problem Reconsidered' by Dr Kenneth Page Oakley, [1972]. Paper describes the circumstances of the original Piltdown discovery by Charles Dawson and recounts Oakley's involvement in proving that the affair was a fraud.

'Scotland coloured according to the rock formations', by Louis Albert Necker, [1808]. Geological colouring on base map 'North Britain or Scotland divided into its Counties, corrected from the best surveys and astronomical observations by Thomas Kitchin', published by William Faden, 1 December 1778. Dissected on cloth.

Papers of Frederic William Harmer, comprising maps of East Anglia, annotated with geological lines, notes and colouring, used as field maps during research into glacial deposits in the south east of England, in collaboration with Searles Valentine Wood jnr, [1862-1872]. Base maps are Ordnance Survey, one inch (Old Series) sheets nos 50-51, 65-69 (quarter sheets).

Papers of John MACCULLOCH, [1808-1858], principally comprising:

Proofs and publications of John MacCulloch - Author's reprints of nine papers published in the 'Transactions of the Geological Society of London, 1811-1817; Printed proofs of John MACCULLOCH's paper, "On malaria", parts 1 and 2, from the 'Quarterly Journal of Science, Literature and the Arts', 1827; Proofs for John MACCULLOCH's book 'Proofs and illustrations of the attributes of God, from the facts and laws of the physical universe; being the foundation of natural and revealed religion', 1832-[1837];

Prints and drawings by John MacCulloch, including - the Channel Islands, 1811; granite tors of Cornwal and Devon, 1814; Glen Roy, 1817; Western Isles of Scotland, 1819; Conwy and Dunkeld, [1808]-1822, although file contains some later material not by MacCulloch; Pentland Hills and Dumfriesshire, [nd, c.1810s]; 'Illustrations of the Highlands of Scotland', [c.1820s]; album of sketches and prints, [1810-1832];

Maps and sections by John MacCulloch - Sections, elevation and plan of the strata of Heligoland, 1809; Watercolours of fracturing of veins in limestone with sections, 1811; Geological map of Scotland, 1836 [poor condition].

The collection consists of approximately 100 items on alchemy and early chemistry, the most notable item being De Secretis Mulierum. The collection also includes manuscripts of lectures given by Sir Henry Roscoe; his notes on solar chemistry work; letters written to him by a number of his peers and his notebook from 1849. The many volumes of letters in the collection includes correspondence with contemporaries such as Robert Bunsen, Michael Faraday, Dmitri Mendeleeff and Louis Pasteur as well as with a number of Presidents of the Chemical Society and the Royal Institute of Chemistry.

Typescript of unpublished autobiography of Wilfred Blackwell Beard, titled Along This Way, written c1966-1967, and covering his early life and education in Manchester, his work as an apprentice and journeyman patternmaker in Manchester, Stockport, Bradford and Newcastle, c1905-1929; his membership of the United Patternmakers' Association, from 1912, and his work as a full time Union Official from 1929-1966; and his membership of the Trades Union Congress (TUC) General Council, 1947-1967, particularly his year as Chairman of the TUC, 1955-1956.

Records, [1820s]-1984, of the Chadwick Trust. Administrative papers comprise legal papers setting up the Trust, 1890-1896; minute books, 1895-1983; annual reports, 1962-1978; lists of securities, 1914-1917; corrected booklet The Chadwick Trust, 1926-1937; script of a proposed film treatment of Sir Edwin Chadwick, 1958; signing-in book for meetings, 1972-1980. Financial papers comprise account books, 1958-1979; tax claims, 1972-1976; financial files, 1972-1980; correspondence on tax reclaimed, 1980. Papers on lectures given under the auspices of the Trust comprise announcements of lectures, 1913-1935; printed copies of lectures held under the Trust's auspices, 1930-1967, the subjects including public health and buildings, sewerage, nutrition, disease, air quality, training and public health, medical provision, and public health work overseas; other printed lectures and writings, 1896-1932, the subjects including aspects of sanitation, disease, and Sir Edwin Chadwick. Correspondence comprises general correspondence, 1913-1924, 1971-1982; correspondence of the Clerk of the Trust, 1969-1979; correspondence of G M Binnie, 1944-1980; Charity Commission correspondence, 1962-1978; correspondence relating to medals and a memorial prize, 1966-1978; Trustees, 1969-1977; receptions, meetings and lectures, 1970-1978; blue plaque, 1972-1976; costing of activities, 1974; annual reports, 1974-1979; transfer of the Trust to University College London, 1974-1984. Miscellaneous items pertaining to Edwin Chadwick, [1820s]-1889, include his diary [1820s] and patents of his inventions, 1871-1872. Other acquired papers comprise printed ephemera including circulars against inoculation [1914-1918] and undated printed extracts from a hymn on sanitation. Photographs include undated prints of Edwin Chadwick and other eminent scientists; undated slides for a lecture, including various 19th-century public figures, 19th- and 20th-century mortality rates, and various London hospitals; and photographs, 1980, of a plaque to Chadwick at his birthplace in Longsight, Greater Manchester.

Papers of Sir Francis Galton, consisting of papers relating to the personal history of Galton and his family, 1612-1926; papers relating to Galton's scientific work, 1850-1922; and correspondence 1765-1923.

Letters from Bonney to W J Sollas.

Correspondence between De Morgan and Sophia Frend (two items), 1836 and undated; letter from De Morgan to Sir Jonathan Pollock, 1865; miscellaneous undated verses.

Sir James Paget's index to references for medical biographies, intended for the Biographical Dictionary of the Society for the Diffusion of Useful Knowledge (1842-44), c.1844.

Some correspondence, papers, and publications of Otto Loewi. The manuscript material is of a personal rather than a scientific nature and provides an important biographical source about Loewi's escape from Nazi Austria and his resettlement in the United States of America.

Reports on scientific papers submitted for publication to the Royal Society from 1832 to date (Peer Review). The referees were appointed to advise the Committee of Papers, and were drawn from appropriate subject disciplines within the Fellowship. Referees Reports vary in content between terse notes recommending acceptance or rejection to long monographs devoted to the subject under review. Much of their interest derives from the comment of one scientist on the work of another, for example Michael Faraday on J P Joule (RR.3.154,158) or Sir Oliver Lodge on Ernest Rutherford (RR.13.106).

Papers relating to the Royal Geographical Society Council, committees and bylaws, 1830-1993, including balloting lists for the Council, 1840-1932; lists of Council and Committee members, 1879-1880; summary notes of Council minutes, 1830-1929; papers relating to revisions of bylaws; papers relating to the African Exploration Committee, 1877-1881; minutes of the Polar committee, 1933-1937; biographical data on Council members, 1869-1906; Staff Association papers, 1975-1991 and papers relating to library committees, [1969-1993].

Director's Correspondence collection, 1947 onwards, consists of correspondence with the Society since 1947. The material consists of communication with the Director's Office, both incoming and out-going letters, covering a wide range of administrative matters and geographical subjects. Files may contain a variety of printed items such as journal off prints, lecture bills and photographs.

Articles and letters by various authors relating to North and West Africa, particularly Libya, Chad, Central African Republic and states west, sent to the Royal Geographical Society for publication in its Journals, [1830]-1952. The articles were often sent to referees and their reports are often to be found with the article, in some cases the referee report has been retained even though the article has been returned to the author.

Articles and letters by various authors relating to Southern Asia, including India, Afghanistan and Tibet, sent to the Royal Geographical Society for publication in its Journals, 1830-1952. The articles were often sent to referees and their reports are often to be found with the article, in some cases the referee report has been retained even though the article has been returned to the author.

Articles and letters by various authors relating to the islands of the Atlantic, Indian and Pacific Oceans, including West New Guinea, sent to the Royal Geographical Society for publication in its Journals, 1830-1952. The articles were often sent to referees and their reports are often to be found with the article, in some cases the referee report has been retained even though the article has been returned to the author.

Articles and letters by various authors relating to Central, South and East Africa, including Madagascar, sent to the Royal Geographical Society for publication in its Journals, 1830-1952. The articles were often sent to referees and their reports are often to be found with the article, in some cases the referee report has been retained even though the article has been returned to the author.

Articles and letters by various authors relating to Central Asia, including Asiatic Russia, Mongolia and Sinkiang, sent to the Royal Geographical Society for publication in its Journals, 1836-1947. The articles were often sent to referees and their reports are often to be found with the article, in some cases the referee report has been retained even though the article has been returned to the author.

Papers of William Arthur Bone, 1890-1938, comprising analysis books, 1890-1920, containing record of work at Owen's College, Manchester, notes on experiments, records of trails, analyses of fuels; press cuttings and letters relating to Flame and Combustion in Gases, 1927-1938; papers relating to appointment at Imperial College, 1911-1913; obituary notice.

Four diaries of Bernard Hunt, 1896-1899, giving an account of his experiences in Peru as a mining engineer; extracts from the diaries by his son, Philip B Hunt, 1986.

Papers of Sir Patrick Linstead, 1916-1968 (presented by Lady Linstead), comprising biographical papers, 1916-1968, including certificates of honours and awards, letters of congratulation, non-scientific writings, desk diaries whilst Rector of Imperial College, 1955-1966; notebooks and working papers, [1920]-1963, comprising notebooks of students days, early work at Imperial College, research at Harvard, research at Imperial College from 1949; drafts and manuscripts for lectures and publications, 1947-1966, (some of which are not listed in the official bibliography); papers relating to Linstead's work as consultant and service on committees, including his Chairmanship of the British Association Study Group on the education of the graduate scientist, 1938-1960; correspondence, 1948-[1966];

papers relating to his Rectorship of Imperial College, 1954-1967, comprising biographical and obituary notices, 1966-1967; appointment as Rector, 1954-1955; speeches, addresses and lectures, 1956-1966; papers and correspondence relating to the Committee on management and control of research and development, 1958-1962, Committee on Higher Education, 1961-1964; correspondence relating to the London School of Economics Court of Governors, 1960-1965, Science Masters' Association, 1961-1963, Association for Science Education, 1964-1965; papers relating to visits, 1955-1957, including to European universities and institutions; correspondence, 1954-1966, notably concerning the Consort Club, 1957-1962, academic salaries, 1959, with Harold Johann Thomas Ellingham, [1954-1965], John Frederick Wolfenden, [1954-1965], dinner in hall, 1955-1958, proposed International Institute of Science and Technology, 1961-1963; correspondence concerning Linstead Memorial, 1966-1968; papers concerning a visit to India, 1963-1964; Congress of the Universities of the Commonwealth visit to Imperial College, 1963; proposed International Institute of Science and Technology, 1961-1963.

Presentation volume given to Professor James Charles Philip on his retirement from Imperial College, 1938, containing signatures of colleagues and pupils; illuminated address given to Professor Philip after twenty one years' service at Imperial College, 1921, containing signatures of colleagues and pupils, and a record of Professor Philip's work at the University of Göttingen, 1896-1897.

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 John Sutton, 1910-1995, comprising biographical material, including obituaries and reminiscences of Sutton; papers relating to Sutton's childhood and schooldays, undergraduate studies, wartime service, his honours; family papers, notably his father Gerald John Sutton, an engineer and inventor, including patents, 1928-1958; photographs of Sutton, some with Janet Watson;
notebooks, 1940-1992, comprising geological field notebooks, [1940-1969], containing observations, sketches and plans and lists of specimens, some with notes by Janet Watson; notebooks recording work in Greenland, 1965-1969; notes on proceedings of conferences and sketches of scenery, plants and people, and geological phenomena, many from visits overseas, [1965]-1992;
notes and drafts relating to publications or work intended for publication, [1935-1992]; papers relating to visits and conferences including visits to China; correspondence, notably with Edward Battersby Bailey, Michael J Fleuty, Arthur Holmes, John Lawrence Knill, John Graham Ramsay, Herbert Harold Read, principally two sequences of letters, 1948-1960, 1961-1992, including papers for conferences, from societies and organisations; maps, figures, photographs, films and an audio tape.

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.

Biographical material comprising autobiographical writing, shorter biographical writings by others, documentation of the award of the Nobel Prize including an extensive sequence of letters of congratulation, a photographic record which includes an early, 1943, photograph taken in Montreal and photographs of a number of honorary degree and similar occasions not otherwise documented.

papers from Wilkinson's time at Imperial College London include correspondence with Imperial College Rectors and senior College administrators, 1978-1989; records relating to the Chemistry Department, 1979-1993, concerning building plans, finance and funding, Wilkinson's post-retirement plans amongst, requests to work in Wilkinson's laboratory, 1984-1993; research records relating to matters of funding, 1977-1993, principally from the Science Research Council/Science and Engineering Research Council; drafts relating to patents, ca 1976-ca 1985.

papers relating to the journal Polyhedron, where Wilkinson was chairman of the editorial board 1980-1993; records relating to societies including the Royal Society and the Royal Society of Chemistry.

correspondence, 1981-1993, reflecting Wilkinson's continuing interest in research; correspondence with politicians, covering science policy, university funding and Imperial College matters 1972-1988; correspondence arising from Russia's non-observance of International Copyright Conventions, 1969-1975.

Papers of Sir Andrew Crombie Ramsay, 1812-1933, comprising notebooks and diaries, 1841-1882, recording both professional and personal details, including geological observations and drawings from field work in Britain, the Rhine, Canada, Switzerland, North Africa, France; sketches of landscapes, details of personal and official expenses, principally for travelling and accommodation; verses; inserted copies of correspondence; notices of deaths;
rough notes for lectures at the Royal School of Mines, Royal Institution, [1850-1880]; miscellaneous notes and printed papers, 1840-1889, principally relating to his book on Arran, 1841; appointment to University College London, 1847-1849; articles by Ramsay in the 'Saturday Review', 1858-1873; Bedfordshire palaeontology; examination papers, 1858-1875, for various institutions including the Geological Survey and Royal School of Mines, London University and University College, Cambridge University; sketch books and drawings of scenery, geological sections, portraits, [1840-1880]; miscellaneous printed papers, 1836-1892, notably papers relating to the Metropolitan Red Lion Association, 1836-1854; obituary notices for Ramsay, 1892;
family correspondence, 1812-1933, comprising letters of family members, including Ramsay's parents, wife, and daughters; correspondence with Sir Henry de la Beche, 1841-1854; general correspondence, 1833-1895, comprising letters from various correspondents, including Charles Robert Darwin, 1846-1864, Edward Forbes, 1844-1854, the Geological Survey, 1844-1876, Thomas Henry Huxley, 1854-1855, Joseph Beete Jukes, 1846-1867, Charles Kingsley, 1864, Sir Charles Lyell, 1841-1872, Sir Roderick Impey Murchison, 1848-1869, John Phillips, 1842-1867, Lyon Playfair, 1837-1854, Adam Sedgwick, [1865], Alfred Richard Cecil Selwyn, 1846-1881, James Sharpe, 1840-1851, Sir Warrington Wilkinson Smyth, [1840-1890], Joshua Trimmer, [1840-1857], Anna Maria Williams, 1842-1852.

Papers of Professor Alfred Fowler, 1903-1935, including observations on the sun, 1903-1910; laboratory notebooks, 1906-1913; telescope design, 1906-1910; miscellaneous correspondence, 1916-1935.

The papers include laboratory notebooks dealing with Bawden's research on various plant viruses, and in particular his collaborative work with N.W. Pirie and with A.A.P. Kleczkowski. There is also a detailed exchange of correspondence with Pirie on research in progress, 1937-1940. (Pirie moved to Rothamsted as Virus Physiologist in 1940 when Bawden became Head of the Plant Physiology Department.) There is a wide range of correspondence, with individuals and institutions. It deals with scientific research and problems including viral nomenclature, lectures, conferences, publications, Bawden's reports on research projects, grant applications and appointments. The correspondence relating to Bawden's overseas visits as adviser or lecturer is mainly after 1958 and is sometimes accompanied by Bawden's reports.

Working papers and correspondence of Sir Francis (Franz) Eugene Simon. Scientific notebooks in the collection date from 1919-1934, largely the period of Simon's researches on low temperature physics at the Physikalisch-Chemisches Institut of Berlin University, and subsequently at Breslau. Other notes and manuscripts for lectures and articles are post 1930, while a large group of correspondence files are from the years 1922-1956, providing a full account of Simon's dealings with many fellow scientists and scientific organisations. Individual letter files concern V.M. Goldsmidt, Max Born, Gwyn Owain Jones and Nevill Mott among many other notable figures. Details of Simon's involvement in atomic energy development are to be found in papers on uranium isotope separation (MAUD Committee notes) and UK Atomic Energy Authority correspondence. Simon's professional appointments as head of the Clarendon Laboratory and as science correspondent to the Financial Times are represented by substantial groups of letters. There are twelve notebooks with some associated papers; the series also includes files of lectures, articles, cuttings and souvenirs, including photographs, with files of correspondence. Two later additions to the collection consist of correspondence and files highlighting Simon's contacts with industrial firms, universities and international organisations.

The correspondence of Sir John Frederick William Herschel, comprising three main groups of documents:
The first series comprises 19 volumes of manuscript letters sent to Herschel, with drafts of his replies (Ref: HS 1-19).

The second series comprises 16 volumes of copy letters from Herschel (Ref: HS 20-25). These are arranged in chronological order and are apparently constructed from Herschel's original letters brought together by a son, Col. John Herschel R.E., for a proposed biography and then returned to their original owners. The biography was never produced. There is some duplication between these versions of finished letters and the rough versions of the same in HS 1-19.
The third series comprises five boxes of unbound manuscript letters, copy books and listings (Ref: HS 25-28) in which there appears information on the copying project, and groups of original letters on particular topics, such as Herschel's involvement in W H F Talbot's photography patent disputes.

Letters of Nevil Maskelyne on astronomy.

Letters from Sir Robert Moray to his friend Alexander Bruce, Earl of Kincardine, also known as 'The Kincardine Papers'. Bruce was sick of the ague in Bremen for part of this time, and the letters were written to alleviate the tedium of of Bruce's illness, hence ranging over topics which might not otherwise have been the subjects of correspondence. They include accounts of chemical experiments in his laboratory, his interest in magnetism, medicine in all its aspects, horticulture, fuel, whale fishing, its risks and profits, coal mining, water wheels and tide mills, stone quarrying and the various qualities of different stones, the pumping works needed for undersea coal mines at Bruce's home at Culross in Fifeshire, even to the trees whose wood was best for pipelines, and the diameter of the bore best suited to the purpose. Familiarity is shown with mathematical and surveying instruments, with music, and all sorts of mechanical devices and especially clocks and watches, more particularly the taking out of a patent in respect of a clock for use at sea for finding longitude. Bruce is advised on the choice of books over a wide range of subjects. Moray includes anecdotes to amuse his ailing correspondent; he describes his quiet life and is enthusiastic about many of his chemical experiments. Notable at the end of the letters Moray added what he described as his Masonic signature - a pentagram which also occurs in his crest.

Correspondence of the Sowerby family, chiefly letters to James Sowerby. Correspondents include: George Arnott Walker Arnott; Nathaniel Bagshaw Ward; Etheldred Bennett; William Bingley; James Clealand; Richard Cotton; Francis Crow; James Dalton; George Don; Richard Duppa; William Henry Fitton; Leonard Horne; John Harris; Adrian Hardy Haworth; Henry Heuland; George Hibbert; John Coakley Lettsom; John Lewis; Gideon Mantell; Thomas John Newbold; George Henry Noehden; Charles Panse; Thomas Joseph Pettigrew; Joseph Ellison Portlock; Thomas Purton; Philip Rashleigh; Joseph Sabine; Henry Sheppard; William Travis; Patrick Walker; Henry Warburton; William Wedderburn and Thomas Stamford Raffles.

Papers of Professor Albrecht Fröhlich, 1916-2001, reflecting his mathematical research, publications and correspondence with colleagues. Papers are divided into six sections comprising biographical papers; research papers; publications; papers relating to visits, conferences and lectures; correspondence and theses and examinations.

Biographical papers include obituaries, memoirs and papers relating to memorials including a service in the Chapel of Robinson College Cambridge, 10 Feb 2002; autobiographical papers including copy of Fröhlich's entry for Personal Records of Fellows of the Royal Society; papers relating to Fröhlich's career, honours and awards including his Ph.D. thesis 'On some topics in the theory of representation of groups and in class field theory', and correspondence and papers relating to his university appointments and some of his principal honours, including election to the Fellowship of the Royal Society.

Research papers chiefly comprise mathematical workings, notes and drafts: notably relating to work on the decomposition of primes [1950] and work on Galois module theory and Gauss sums.

Publications comprise published material by Fröhlich, 1950-2000, drafts and unpublished drafts, including work with Charles Terence Clegg Wall on Brauer groups, 'Galois modules and the functional equation', and draft of a longer text entitled 'mathematical theory of ostensive and consequently of empirical predicates'.

Visits, conferences and lectures include papers relating to Fröhlich's conference attendance and overseas visits 1956-1998, documentation of his participation in mathematics meetings held at the Mathematisches Forschungsinstitut, Oberwolfach, Germany and papers relating to Visiting Professorships, including invitations, programmes, and texts or abstracts of lectures.

Correspondence,1950-2000, on subjects including progress of Fröhlich's research, discussions of problems with mathematical workings and drafts of papers. Notable correspondents include Fröhlich's Ph.D. supervisor Hans Arnold Heilbronn, colleagues Jean-Pierre Serre, Olga Taussky-Todd, Stephen Virgil Ullom and Charles Terence Clegg Wall, and former research students Colin J. Bushnell, Martin J. Taylor and Stephen Mark Johnson Wilson.

Theses and examinations comprise, theses of Ph.D. students supervised or examined by Fröhlich, including his research students at King's College London and examination papers, some with Fröhlich's manuscript calculations of answers, 1980-1990.

Papers, 1959-1972, relating to publications by Tolansky on the subject of interferometry and diamond physics, including correspondence, 1959-1964 with publishers and editors; manuscripts, typescripts and proofs of articles, books, reviews and papers on scientific subjects, 1959-1972, including papers, correspondence and press cuttings on the demand and merit of women physicists, published in the Sunday Times, 1963, and book reviews written by Tolansky, including some press cuttings and covering correspondence, 1959-1963; copies of unpublished research papers, [1934-1947]. Miscellaneous material including rough notes, booklists and illustrations of crystal structures, 1952-1962, and photographs of experiments, [1934-1973].

Papers, 1930-1962, concerning lectures and publications by Hart, notably correspondence, 1951-1961, mainly relating to lectures on Leonardo da Vinci, aeronautical engineering and other subjects; correspondence relating to the writing and publication of his work, including James Watt and the history of steam power (Henry Schuman, New York, [1949]), 1948, and The world of Leonard da Vinci, man of science, engineer and dreamer of flight (Macdonald, London, 1961), 1960-1962; typescripts of lectures on textile education, 1951, the scientific basis for Leonardo da Vinci's work in technology, 1952, and handicraft instruction; typescript of The world of Leonard da Vinci, man of science, engineer and dreamer of flight (Macdonald, London, 1961), 1960; copies of published articles by Hart on medieval and modern science, 1930-1955.