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W. C. Wideman Demonstrating Lie Detector Usage

(Original Caption) W. C. Wideman of Chicago, showing the latest in Lie Detectors, an apparatus that records blood pressure, six separate reflexes, pulse count, respiration, perspiration which increases under nervous strain, and finds out if your speech and action correlate and if your had trembles unduly. It makes a permanent record by means of wavering beams of light shining on Photo-Paper, and is said to detect falsehoods with more certainty than the old and simpler devices.
(Original Caption) W. C. Wideman of Chicago, showing the latest in Lie Detectors, an apparatus that records blood pressure, six separate reflexes, pulse count, respiration, perspiration which increases under nervous strain, and finds out if your speech and action correlate and if your had trembles unduly. It makes a permanent record by means of wavering beams of light shining on Photo-Paper, and is said to detect falsehoods with more certainty than the old and simpler devices.
W. C. Wideman Demonstrating Lie Detector Usage
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Credit:
Bettmann / Contributor
Editorial #:
517287418
Collection:
Bettmann
Date created:
February 10, 1935
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Rights-managed
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Source:
Bettmann
Object name:
u293901acme.jpg
Max file size:
4286 x 3307 px (14.29 x 11.02 in) - 300 dpi - 7 MB