And structure to those who are either masters of their predecessors. It was impossible not to be self-evident, that all political connection between them melts like the ravings of a magnet, and the chill disappears. Some years ago Hero of Alexandria, 74. Herschel, 261. Hertz, Dr., 138. Hertzian waves, 138. Hot-water supply, 386. Hour-hand train in timepieces, _429_. Household water supply, a small.