Automobile Industry
-contributed a great deal to the business boom
-Henry Ford adapted the assembly line techniques by making a standardised Model T car
-Model T Ford was brought to the masses
-1925, Ford was creating a car every 10 seconds
-1929, there were almost 27 million cars
-1929, car industry employed 450,000 workers
-car workers= 7% of all manufacturing wage earners
-stimulated the growth of the steel, rubber, oil and road works services