Simple polaroid filter

Simple polaroid filterFilters, Test-Rings and Colour Frequency Programm Used by approaching, in contact or at a distance from the skin of the body or the ear, designed to diagnose a pathological state by measuring the VAS or NOGIER's pulse. A whole range of colour filters, metal, magnetic or polarised filters is available. The Colour Frequency Programm was also developed by Dr Paul NOGIER (combination of 7 filters corresponding to the 7 basic frequencies).