Technique, 158, 161. Telegraphy, 150. Telephone Service, 97. Temperature, 223. Tests, 76, 80, 105, 111. Trade Unions, 50. Training, 125, 141, 150. Type-setting, 124. Typewriting, 151, 170. Uncertainty, 284. Unfitness, 31. Uniformity, 193. 199. Values, 245. Visibility, 172. Vividness, 261. Vocation, 32, 40, 58. Vocational counselor, 41. Vocational guidance, 37, 48. Wages, 127, 165, 195, 235. Waste, 38, 145, 160. Will-impulse, 149, 227. Witness, 14. Women, 132, 161. Working-day, 212, 296.