Lizzie-Presinattion

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Last updated 10 years ago

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Lizzie-Presinattion

Lie Detectors and Traffic Lights of the 1920's

By: Lizzie Buckley

On the right is a picture of a Lie Decotr today, and on the left is a photo of a lie dector in the 1920s.

On the right is a photo of a traffic light being invented currently, and on the left is a photo of a traffic light back in the 1920s.

A current day Traffic Light

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