Evening Republican, Volume 18, Number 100, Rensselaer, Jasper County, 27 April 1914 — Doos the Work of the Sun. [ARTICLE]

Doos the Work of the Sun.

Carpet manufacturers in Europe, who formerly had to send samples of, their product to southern countries to test their sun-resisting qualities, ndw use the mercury-vapor quarts lamp ftsr, that purpose, its ultraviolet ritys hWV‘ ing even greater power to fade dy*. stuffs than tho sun.—Popular - chanlcs. ' >