Here's the Idea Of the Non.pu!!=out Bow The great watch saver. Saves the watch from thieves and falls - cannot be pulled off the case - costs nothing extra. f - The bow has a groove I I LTLJ il on eacn end' A collar CJQl I ï runs down inside the V,„SÊZa y pendant (stem) and J-Uity flR nts into the grooves, s= firmly locking the ("V bow to ?he Pendant, -V_S= so that it cannot be S-i?""" 9 '"i pulled or twisted off. Can only be had with cases jM& stamped with this trade mark. y&f Jas. Boss Filled Watch Cases are now fitted with this great bow (ring). They look and wear like solid gold cases. Cost only about half as much, and are guaranteed for twenty years. Sold only through watch dealers Remember the name Keystone Watch Case Co., PHILADELPHIA.