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Mar. 03, 1956 - Cop's Invention spotlights forgeries.: A British policeman has invented a forgery detector that does away with the expensive method of photographing the signature on an infrared plate. Called the Evans Infra-Red Viewer, the instrument is made up of a system of filters and lenses contained in a long box and a 500 watt photoflood lamp with an internal mirror reflector. Besides checking signatures and documents, the viewer can be used for examining bruises, checking dyes, detecting disease in l and verifying oil painting. Photo shows Top: Mr. E.W.Evans the viewer. Bottom: The Evans Infra
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Besides Bruises Checking Contained Cops Detecting Detector Does Dyes Expensive Filters Forgeries Forgery Infra Infra-red Infrared Internal Invented Lenses Method Photographing Reflector Signatures Spotlights Verifying Viewer Watt
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