The light reflection value of color in paint.
A 1930 trade booklet published by the New Jersey Zinc Company, a paint pigment maker, aimed at painters, architects and industrial buyers, on how colour reflects light in paint. Its photographs show factory interiors and workers at work, with long rows of machinery and women in white caps at benches, giving a designer a plain record of early twentieth-century industrial workplaces and their pale, reflective surfaces.







