Public Health & Hygiene
1934
Textiles Machinery
1857
Photographic Technology
1889
Locomotives and Rolling Stock
1874
1873
Geophysics
1876
Telecommunications
1901-1910
Dentistry
1870-1920
1891
1913
Cinematography
1930s (1888)
Mathematics
1901-1930
Computing & Data Processing
1943-1945
1890-1930
1897
1951
Obstetrics, Gynaecology & Contraception
1915-1925
1880
Psychology, Psychiatry & Anthropometry
1859-1939
Smoking
1920-1950
Lighting
1878-1879
Time Measurement
c. 1925
1935
1934-1935
1926
Therapeutics
1885-1910
Locomotives and Rolling Stock Components
Ethnography and Folk Medicine
1880-1920
1948
1884-1900
Electronic Components
1930-40
Cash Registers
c.1910
1885
Domestic Appliances
1930-1940
1860
1879
Motive Power
1903
Space Technology
1945
1890-1910
Surveying
1940
1936
1937
1897-1898
1887
Radio Communication
1923