[p. 220]

Transformer, step-down, [182]. Transmission, [38], [187]. Transmit, [63], [95], [157]. Transmitter, [12], [120], [121], [122], [123]. Transverse, [16], [52]. Transversely, [43]. Trigger, [75]. Tripod, [31]. Tubular, [44], [45]. Two-pole switch, [65]. U Ultra-violet, [185]. Uranium, [186]. V Vacuum, [184]. Vapor lamps, [169]. Velocity, [60], [73]. Vertical armature, [75]. Vibration, [110], [111], [113]. Vibratory, [110]. Vise, [13]. Voltage, [37], [38], [60], [61], [62], [63], [87], [88], [99], [147], [154], [165], [180], [182]. Voltage, high, [158]. Voltaic, [29], [32]. Voltaic pile, [33]. Voltameter, [7], [58], [88]. Voltameter, sulphuric, acid, [55], [57]. Volts, [60], [62], [87], [89], [132], [158], [159]. W Water, [123], [138], [144]. Water power, [142]. Watts, [60], [61], [160]. Wave lengths, [104], [110]. Weight, [49]. Welding, [13], [182]. Winding, [18], [40], [47], [58], [159], [196]. Winding reel, [14]. Window connection, [76]. Window frame, [78]. Wire, [6], [18], [21], [26], [28], [156]. Wire, circuiting, [79]. Wire coil, [40]. Wire lead, [70]. Wire, parallel, [28], [49]. Wireless, [12]. Wireless telegraphy, [103], [104], [184].