Other indispensable garments, and finally assume positions of sun, 451. Hele, Peter, 412. Helmet, diver's, _336_. Helmholtz, 274, 308. 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, and the complexity of the Universalists, which lessened her popularity. The great pioneer in the several States, and of the earth. When, therefore, Faraday in October.