Photographic Technology
1940-1945
Public Health & Hygiene
1890-1915
Radio Communication
1949
Scientific Instruments & Research
1936-1955
Biotechnology
1999
Therapeutics
1800-1820
Astronomy
2001
Domestic Appliances
1950-1955
Nuclear Physics
1912-1913
Mathematics
c.1870
Surveying
1905-1920
1976
Vacuum Technology
1916-1926
Telecommunications
1960-1965
Cinematography
1923-1926
Environmental Science & Technology
1996-1999
Marine Engines
1893-1926
Time Measurement
1765-1780
c. 1956
Optics
1930-1950
1771-1800
1840-1850
1945-1959
1910-1926
1938
Heat
1863
1885-1895
1921-1926
Meteorology
1835-1857
1845-1875
Experimental Chemistry
1941-1950
1840-1899
1970-1980
Materia Medica & Pharmacology
1958
1914-1918
1875-1885
Plastics and Modern Materials
1937-1938
1701-1800
Locks & Fastenings
1970
1861