Locomotives and Rolling Stock
1938
1935
Biotechnology
Radio Communication
1934
Public Health & Hygiene
Photographic Technology
1934-1935
Locomotives and Rolling Stock Components
Surveying
1940
1936
1937
Psychology, Psychiatry & Anthropometry
Photographs
1933
1931-1940
Papermaking
c1935
Classical & Medieval Medicine
Textile Industry
1933-07-24
Telecommunications
Aircraft Propulsion
1939
c. 1932
1938; (1838)
1931
Materia Medica & Pharmacology
1937-1938
Sound Reproduction
Anatomy & Pathology
Before 1932
Clockmakers
c. 1937
1938-1939
Cinematography
c.1940
Audiology
1935-1936
Road Transport
1932-1936
Orthopaedics
c. 1940