Turn, Turn, Turn: A History of Turn Signals
Ridiculous History
00:00
How Did We Get to Turn Signals?
Florence Lawrence developed an early version of the turn signal, which she called an auto signaling arm. She also put in some early safety measures because the signal that indicated stop would pop up automatically whenever you pushed the break. We should mention that Florence Lawrence's mother patented a cleaning device for windshields just a few years later.
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