The Tin Lizzie
Henry Ford figured out how to produce gas-powered cars quickly and inexpensively.
First, he used standardized, interchangeable parts. The passenger door for one Model T automobile will fit on any other Model T. Same with the axles, wheel rims, door handles, pistons, cylinders, cup-holders, nuts, bolts—nothing on the car needed to be specially-made.
Second, Ford introduced a moving assembly line. Instead of his builders moving from car to car, cars moved from crew to crew, pulled by a chain down the line. Each crew had a specific task, like putting the doors on, attaching the wheels, installing the engine, or painting the body. That might get repetitive but—they could build a whole car in an hour and a half.
Can you imagine that? Cars were shooting out of that factory so quickly that Ford could charge a low price for them and still make a profit. The steam cars were expensive because they were more or less custom-made. So people bought gas-powered Model T Fords.
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