Papers of Professor Harold Heywood, 1925-1973, comprising biographical papers; notebooks and papers, 1925-1957, covering Heywood's undergraduate career at Imperial College, work concerning dusts and sedimentation, sieving, particle size and pulverisation, including records of work undertaken during World War Two and after for the Ministry of Supply concerning the problems caused by dust during military operations in desert warfare, travel diaries; working papers on particles and pulverisation, 1929-1971; working papers on solar energy, 1946-1970, begun at Imperial College but mainly carried on at Woolwich and Loughborough, including notes and observations, travel diaries, correspondence and other papers relating to conferences and consultancies relating to solar energy; lectures and papers, 1924-1971; correspondence, 1933-1958; reports and publications, 1937-1948.
Heywood , Harold , 1905-1971 , engineer and physicistPapers of Herbert Alfred Humphrey, 1883-1945, comprising volume of testimonials, letters of introduction, 1887-1915; correspondence, 1900-1918, notably with the Admiralty concerning proposals for a torpedo, 1914, Ministry of Munitions concerning chemical plants, 1917-1918; correspondence with Brunner, Mond and Co, 1890-1919, relating to his employment with the company, experiments with TNT, 1890-1919, and notes and diagrams on the manufacture of calcium nitrate, 1916; correspondence relating to Industrial Chemical Industries, 1920-1946, concerning chemical manufacture, his employment; papers concerning Brunner, Mond and Co, [1930]-1948, comprising notes concerning the history of the chemical plant at Billingham, [1930];
correspondence concerning enemy attack, technical education, 1940-1948; reports and correspondence relating to the Department of Explosive Supplies, Ministry of Munitions, 1915-1917, concerning TNT, manufacture of ammonium nitrate, calcium nitrate, explosives trials; reports relating to war service, 1914-1919, concerning the purification of TNT, shells, Hausser process; correspondence and printed papers relating to war service, 1916, inventions, 1939-1944;
correspondence with professional institutes, 1887-1938; letters, papers and reports relating to visits, annual dinners, 1886-1945; patents, 1895-1934, relating to engines, purifying gases and raising liquids; papers relating to the Metropolitan Water Board, 1909-1913, concerning water pumps; engineering drawings of pump schemes never built [1910-1912]; papers and diagrams concerning projected installation of Humphrey pumps at El Mex, Egypt, 1911-1914; articles, mostly concerning the Humphrey Pump, 1909-1936; photographs and papers relating to the Humphrey Pump, 1913;
student notebooks made whilst a student at Finsbury Technical College and Central Institution, 1883-1887.