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10 Jan 1921 Jahr - Polygraphs
Beschreibung:
John Larson develops the polygraph ("lie detector") machine.
Zugefügt zum Band der Zeit:
Sci Vis I timeline
By
William Ibarra
26 Sep 2018
0
0
568
Datum:
10 Jan 1921 Jahr
Jetzt
~ 104 years ago
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