Locomotives and Rolling Stock
1960
1933
1927
1941
Motive Power
1820-1840
1898
Hand and Machine Tools
1817
1808
1804-1807
Aircraft Propulsion
1926
c. 1900
Weighing & Measuring
1916
Mechanical Power Transmission
1895-1898
1929
1925
1897
1865
1857
Optics
1907
1934
Aeronautics
1974
1947
1908
Television
1954
1973
Road Transport
1903
1924
Scientific Instruments & Research
Astronomy
1810-1815