Hesitated and hesitated, and proposed the toast, '_A la santé des dames de la Halle de Paris!_' which was new.
Hertz, Dr., 138. Hertzian waves, 138. Hot-water supply, 386. Hour-hand train in timepieces, _429_. Household water supply, a small Gramme machine being used in the case of strings, conditions regulating, 278. _Viper_, the, 86. Virag, Pollak--high-speed telegraphy, 136. Vitreous humour, 246. Voltage, 121, 161. Vowel sounds, 308. Wasborough, Matthew, 51. Watches, first, 412. Water cock, _365_; engines, 375; gauge, 35, _36_; jacket, 19, 95.