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History of Car Safety - Episode 271

Unprofessional Engineering

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The One Hit Wonder - What Was It?

The first safety feature is the four wheel hydraulic brake system in a Duesenberg Model A in 1922. Florence Lawrence created the first turn signal in 1914. In 1919, the first four way tri-color traffic light is installed in Detroit, Michigan. I still get angry when people don't use their turn signal. You're one of those.

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