Driver testing devices, construction and use: a manual for teachers of driver education and training
Accident Prevention Dept., Association of Casualty and Surety Companies, 1948 - Education - 22 pages
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60 John Street A.C. current Accident Prevention Department Association of Casualty brake pedal bulb calibrated disk calibrated paper disk Casualty and Surety causes the pencil color blind person compensate deficiency depresses the brake device see fig distances of lining driver testing driver's eyes Drivers vary Equipment The device extension point field of vision five seconds glare of oncoming GLARE RESISTANCE green lights important in safe Incidental Teaching Important instructor large number light flash manual mark the calibrated MICRO SWITCH movable car movable objects normal number of test oncoming headlights operator can sit ordinary table period of blindness pointer arm points for safe REACTION TIME DEVICE reacts read the letters red and green revolutions per minute safe driving Snellen Chart stop sign string student sit student's eyes Surety Companies teacher Teaching Important points test measures test results TEST This test Testing Procedure tissue trial turntable visual acuity York University zero point