Locomotives and Rolling Stock
1913
Biotechnology
1945
1885
Dentistry
1870-1920
Obstetrics, Gynaecology & Contraception
1915-1925
Photographic Technology
1934-1935
Space Technology
Water Transport
1910-1937
Geophysics
1876
Cinematography
1930s (1888)
1889
Ethnography and Folk Medicine
1880-1920
Public Health & Hygiene
1930-40
1933
Domestic Appliances
1870
1890-1930
1873
Telecommunications
1860
Mathematics
1901-1930
1907
1887
1879
Smoking
1920-1950
Stanhope Alexander Forbes
1918
Microscopy (Wellcome)
1930-1940
1902
Textile Industry
1937
Textiles Machinery
1857
1926
Photographs
1915-1920
1934
1874
1948
1869
Motive Power
1903
Cash Registers
c.1910
1915-1918
Therapeutics
1914-1918
1935
Medical Glass-ware
1866-1950
1902-1917
Road Transport
1935-1945
1948-1950