Era of manufacturing By Relievedstew275 1908 Model T invented 1913 Assembly line Henry Ford designed an assembly line that began operation in 1913. This innovation reduced manufacturing time for magneto flywheels from 20 minutes to 5 minutes. 1915 First tank produced 1915 First fighter plane 1926 First liquid fueled rocket invented 1928 Sliced bread Officially younger than Betty White 1928 First TV Aug 6, 1945 Atomic bomb dropped on Hiroshima 1969 First moon landing 1984 First computer
