Locomotives and Rolling Stock
1960
Surgery
1901-1950
Hand and Machine Tools
1926
Art
1855
Industrial Metrology
c. 1980
c. 1960
1890-1920
Veterinary Medicine
1801-1850
Passenger Comforts
Psychology, Psychiatry & Anthropometry
1900-1950
Edward F Skinner
1917
1791-1860
Heat
1900-1982
Obstetrics, Gynaecology & Contraception
1880-1920
Microscopy (Wellcome)
1825-1850
Unknown
Motive Power
1837-1862
1940-1970
Electricity and Magnetism
1950-1975
Public Health & Hygiene
Railway Infrastructure
1940-1950
1825-1833
1932
Television
N. K.
Miscellanea & Curiosities
1962
1801-1900
1851-1900
1901-1930
1813-1837
1870-1884
1871-1900
before 1870