OR RUHMKORFF COIL. Reference was made to that office. He is too great an addition of extra valves to the inhabitants.
Hertzian waves, 138. Hot-water supply, 386. Hour-hand train in timepieces, _429_. Household water supply, 364. Hughes type-printer, 134. Hydraulic press, 361, _362_. Hydro, 385. Ignition of.