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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
By
anna chung
10 Oct 2023
0
0
141
Date:
jan 1, 1921
jan 1, 1921
~ 0 min
Images:
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