Various, Astounding Stories of Super-Science July 1930
“ This Beryl, when attuned to all other Beryls in the world, would have this vibratory effect, not only on a certain area of the world—but upon the entire world!—Force the speed of the Beryls to the uttermost limit, and you sway the world to your will! As a marching horde would sway the roof of a vast section of the world if the horde's commander willed! ”
