fadometer
fadometer · fadometers
A device that irradiates materials in order to test the degree to which they fade from…A device that irradiates materials in order to test the degree to which they fade from exposure to sunlight.
A device that irradiates materials in order to test the degree to which they fade from…A device that irradiates materials in order to test the degree to which they fade from exposure to sunlight.