How New Rochelle, NY, police operate radar speed dectector; radar apparatus, installed in ordinary car, checks speed of cars passing through radar beam; speed in miles per hour is indicated by pointer moving along scale; description, speed, and time are transmitted by radiophone to second police car, located 1/4 mi ahead.
Radar checks motor vehicle speed
Pub Works
Public Works ; 84 , n 11
1953
Article (Journal)
English
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