Locomotives and Rolling Stock
1873
Telecommunications
1860
Mathematics
1901-1930
1907
1887
1879
Stanhope Alexander Forbes
1918
Microscopy (Wellcome)
Domestic Appliances
1930-1940
1902
Textile Industry
1937
Obstetrics, Gynaecology & Contraception
Textiles Machinery
1857
1926
Photographs
1915-1920
1934
1874
1869
Motive Power
1903
Ethnography and Folk Medicine
1880-1920
Photographic Technology
1889
Cash Registers
c.1910
Public Health & Hygiene
1915-1918
Therapeutics
1914-1918
Biotechnology
1935
1902-1917
1930-1935
Materia Medica & Pharmacology
1884-1900
1936
Radio Communication
1922-1925
1880
Fixtures & Fittings from Railway Buildings
1900, about
1923
Railways
1909
1880-1940
1890-1910
Surgery
1871-1900
c.1925
1885-1910
Laboratory Medicine
1851-1900
Surveying
1940
Wellcome (general)
1917-1918