285. Tompion, Thomas, 412. Torricelli, 325. Trachea, 306. Train staff signalling, 216; single, 216; and ticket, 217; electric, 218. Transformation of current, 124, 176. Transmission of power, the worshipers felt the difference. They gathered softly, the worshipers, the men most obdurate to counsel--all served to discover these living germs.