Locomotives and Rolling Stock
1938
Domestic Appliances
1930-1940
1935
1936
Radio Communication
1934
Photographic Technology
1934-1935
1930 (replica); 1834 (original)
Locomotives and Rolling Stock Components
Public Health & Hygiene
Psychology, Psychiatry & Anthropometry
1937
1933
1930-40
Biotechnology
1931
Surveying
1940
Aircraft Propulsion
Papermaking
c1935
Photographs
Surgery
1938-1939
c. 1932
1930-1935
1931-1940
Classical & Medieval Medicine
Telecommunications
Clinical Diagnosis
1930
1938; (1838)
1933-07-24
1939
Textile Industry
Audiology
1935-1936
Road Transport
Nursing & Hospital Furnishings
1930-1939
Materia Medica & Pharmacology
1937-1938
Therapeutics