Aircraft Propulsion
1953
Aeronautics
c.2000
Textiles Machinery
1900-1914
Textile Industry
1880-1920
Weighing & Measuring
1950-1955
1900
Cinematography
c. 1975
1880-1930
Scientific Instruments & Research
1974
Radio Communication
Road Transport
1914
Television
1985
1962
1979
1915-1925
Hand and Machine Tools
c 1872
Space Technology
1912
1952; 1952
Telecommunications
c.1900
Papermaking
1900-1920
1922
c1987
1999-2000
c.1993
c1960
c.1991