[8] Note: The gravitation-equalizers were marvelously compact projectors worn in a tiny belt-case by everyone, in this star-travelling age. They automatically gave the body a positive or negative magnetic-gravitational charge that made weight the same no matter how large or small a world was visited.
[9] Note: The shells of the big atom-guns used in space battle were self-propelled by jetting the sub-spectrum pressure rays that hurled them many times faster than light.
