Ethnography and Folk Medicine
1920-1928
Telecommunications
1936
Clockmakers
Audiology
1935-1936
Laboratory Medicine
1925-1935
Mathematics
1917
Time Measurement
1915
Domestic Appliances
1946
Locomotives and Rolling Stock
1937
Passenger Comforts
c. 1915-1919
Radio Communication
1926
1921-1930
1939
1943
1922-1923
Electronic Components
1932-1933
Photographic Technology
1915-1925
1923-1948
Locomotives and Rolling Stock Components
1920
1915-1920
Miscellanea & Curiosities
1927
Plastics and Modern Materials
c.1945
Materia Medica & Pharmacology
1928-1930
Aircraft Propulsion
c. 1936
1920-1930
1941
Medical Glass-ware
1932
Aeronautics
1925-1946
1924
Road Transport
1921
1938
Coal Mining
c. 1925
Coins, Medals & Tokens
Nursing & Hospital Furnishings
Photographs
c. 1916
Biotechnology
1944
c. 1930
1923
Cinematography
1930
Railway Models