Motorcycle
1887
1886
1888
1885
Telescope
1608
1708
1508
1408
Nuclear bomb
1950
1935
1945
1925
Microscope
1611
1609
1610
1612
Mechanical clock
1767
845
724
657
Machine gun
1852
1862
1872
1842
TV
1923
1922
1925
1924
Glasses
1170
1280
1490
1360
World Wide Web
1989
1991
1980
1990
Airplane
1900
1903
1901
1902
Piano
1698
1701
1700
1750
Video game console
1968
1978
1958
1988
Gunpowder
600
700
800
900