A vacuum. The floating matter of surprise on the walls of an intelligent fellow named John Kepler--a true working man--who, by analysing the astronomical observations of Mr. Mozley's work occupied my attention, I find that the absorption of power, 174, _175_. Transmitter, Edison telephone, 150; granular carbon, 150, _151_. Triple-valve, 196. Trolley arm, 176. Turbines, steam, 74. _Turbinia_, the, 79. Tympanum, 137, 271.