Vintage photos show what American car manufacturing looked like 100 years ago

1914: Flywheel production at the Ford motor plant in Highland Park, Michigan.

Hulton Archive/Getty Images

• Gas-powered automobiles were first invented in Europe in the late 1800s.
• Innovative manufacturing techniques allowed the US to dominate the car industry.
• Photos from 100 years ago show how it looked like to work in car factories.

Auto manufacturing didn't always look like the automated process it is today.

Since the invention of the first gas-powered...