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polygraph (jan 1, 1921 – jan 1, 1921)

Description:

Its a lie detector that measures the stress, breath pattern, blood pressure, pulse rate and perspiration of a person to see if they are lying.

Added to timeline:

Digital Timeline Project - Anna Chung

10 Oct 2023

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151

Date:

jan 1, 1921

jan 1, 1921

~ 0 min

Images:

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