case: 63 cm x 142.5 cm x 46.5 cm; 24 13/16 in x 56 3/32 in x 18 5/16 in
Object Name:
Lie Detector
lie detector
Place made:
United States: California, Berkeley
Date made:
1921
Description:
In 1921, the Chief of Police in Berkeley, Ca., asked John Augustus Larson (1892-1965), a policeman then studying at the University of California at Berkeley, to build a polygraph suitable for police work. This is that instrument. It was also the first that was capable of simultaneously recording blood pressure changes, pulse rate and respiration.
Ref: John A Larson, Lying and Detection: A Study of Deception and Deception Tests (Glen Ridge, 1932).
“Lie Detector Pioneer Dies,”[Baltimore] Sun (Sept. 23, 1965), p. 19.
