Show STRONGER S TONE sy-DS-TONE tv D W WASHINGTON Sandstone WASHINGTON ASHINGTON- Sandstone may soon become the or of granite for the distinction of ot being one of ot the strongest ot o r material n Tests Test made at I he United States State Bureau of ot Stink ards show that by soaking sand sand- sandI sandstone sandstone stone alone for tor several hours in melted I sulphur on and then cooling it oft off the strength of the tho Stone stono I is in In in- in increased In creased from to per ier cent |