Perfection of a machine which adds Vitamin D to m>lk was announced >by the University of Wisconsin Alumni Research Foundation last week. The device consists of a large upright cylinder within which glares a12,000-watt battery of carbon arc lamps. The arcs emit ultraviolet light. The light synthesizes Vitamin D in milk exposed to its irradiation as Wisconsin's Professor Harry Steenbock ; has demonstrated. In operation 3,000 quarts of milk flow in a thin sheet down the inner walls of the cylinder, acquiring Vitamin D in about the same strength as occurs naturally...
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