Science: Light from Paint

Pastel shades are the latest fashion for factory machines. After a year's experience with painting machinery in contrasting shades, paint-making Du Pont claims that "without exception users report increases in production (as much as 15% in many cases), with greater operating efficiency, less fatigue, fewer accidents.

Deceptively simple but the fruit of many scientific tests, the system, which is merchandised as Three Dimensional Seeing, consists of painting the central mass of a machine a special grey which Du Pont calls "Horizon," then picking out the working surfaces in "spotlight buff" or "spotlight green." The idea is to increase the worker's alert observance...

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