1973-02-01

Problems in Passenger Car Headlamp Aim 730009

Maintenance and inspection of correct aim of headlamps on passenger vehicles has been a perennial problem that involves unstable headlamp mounting, imprecision in inspecting equipment, variations in sealed beam units improper initial aim of lamps on new vehicles and other factors. Improvement has occurred in each of these areas, but it has not kept pace with the need for better controlled roadway illumination. Brighter low-beam headlamp systems that are on the horizon will require increased attention and new solutions to the problems.

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