1930s: man stands by panel of instruments and observes as industrial machines cut, press, stamp and release steel plates on conveyor belt into car parts in automotive assembly factory.
1930s: man stands by panel of instruments and observes as industrial machines cut, press, stamp and release steel plates on conveyor belt into car parts in automotive assembly factory.
1930s: man stands by panel of instruments and observes as industrial machines cut, press, stamp and release steel plates on conveyor belt into car parts in automotive assembly factory.