1937-01-01

“Polaroid” 370124

THE perfect, hypothetical headlight is visualized, and a set of standards formulated that makes night driving as safe as day driving, with the illumination invisible to approaching cars.
Theory of glare elimination with polarized light is presented. The nature of “Polaroid” and how it solves the problem is pointed out.
The new engineering and lighting problems, which the use of this material involves, are discussed.
Examples of the use of the new control of light for industry are related.

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