• the steam engine

    Jeronimo Beaumont received fifty patents to steam powered inventions
  • steam engine

    first use
  • steam engine

    mass produced
  • Period: to

    conveyor belts

    first used
  • Period: to

    The Victorian Era

  • Radio

    made by Marconi
    nobel price-1909
  • telephone invented

    Elisha Gray and Alexander Graham Bell
  • Period: to


  • Lie Detector

    James Mackenzie
  • Ford

    Henry Ford is using the conveyor belts to make the Ford cars
  • modern polygraph

    John Larson
  • used by police

  • Niels was born

  • conveyor belts still used