1920s Inventions

By chloekeeler

  • Traffic Signal

    Traffic Signal

  • Thompson Sub-Machine Gun

    Thompson Sub-Machine Gun

  • Polygraph

    Polygraph

  • Band-Aid

    Band-Aid

  • Pop-Up Bread Toaster

    Pop-Up Bread Toaster

  • Bulldozer

    Bulldozer

  • Frozen Food

    Frozen Food

  • Electronic Television

    Electronic Television

  • Penicillin

    Penicillin

  • Sliced Bread

    Sliced Bread