January 21, 2009

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CAMERA BALKS FALSE ALARMS (Apr, 1957)

Filed under: Crime and Police — @ 8:24 pm
Source: Mechanix Illustrated ( More articles from this issue )
Issue: Apr, 1957
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CAMERA BALKS FALSE ALARMS

SILENT SENTRY is trained on alarm box, shoots picture when alarm is pulled. Twelve of these installations in Oakland, Calif., have cut false alarms at protected boxes to zero—chiefly as a result of publicity given the new devices. Cameras were posted at trouble spots—a number being in high school neighborhoods.

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