34 REFRACTORY EQUIPMENT USED IN HANDLING MOLTEN METAL-NAMELY, CRUCIBLES, LADLE STOPPER HEADS, STOPPER ROD SLEEVES, NOZZLES, REFRACTORY TUBES, SAGGERS, IMMERSION BELLS AND PLUNGERS
THE MARK CONSISTS OF AN ARTIST'S CONCEPTION OF AN ERUPTING VOLCANO. THE DRAWING IS LINED FOR THE COLOR RED, NO CLAIM BEING MADE TO A PARTICULAR COLOR FOR THE LAVA.