Road Transport
1930-1935
Ethnography and Folk Medicine
1914
1928
Materia Medica & Pharmacology
1919
Radio Communication
1925-1930
Surgery
1918-1920
1931
1928-1930
Electronic Components
1920-1937
Telecommunications
c.1930
c.1920
1926
Psychology, Psychiatry & Anthropometry
1926-1934
1922-1923
1923
1920-1929
Coal Mining
1930
1926-1935
Passenger Comforts
1937
Cinematography
1906
Textile Industry
c. 1920
Medical Glass-ware
1932
1937-1937
1920-1930
1936-1939
1921-1934
1924
Scientific Instruments & Research
1934; 1934
1922
1939
c. 1935
Photographic Technology
c.1910
1934
Aeronautics
1936
Domestic Appliances
c.1935
Locomotives and Rolling Stock
1917