"Invention of the Assembly Line" "Assembly Line History: Invention of the Assembly Line" Invention of the Assembly Line "Invention of the Assembly Line" "Assembly Line History: Invention of the Assembly Line" Invention of the Assembly Line http://www.ideafinder.com/history/inventions/assbline.htm http://www.ideafinder.com/history/inventions/assbline.htm "Invention of the Assembly Line" a powered conveyor system