LIST OF TABLES 15 PAGE 92. Exports of Iron and Steel, 5-year Averages 277 93. Imports of Iron and Steel, 1870-1930 278 94. British Imports and Exports of Iron and Steel, 1867-1930 279 95. British Foreign Trade, 1866-1930 281 96. Foreign Trade, xo-year Averages 283 97. Employment in the Iron and Steel Industry, 1906-13 283 98. Unemployment in the Iron and Steel Trades, 1922-30 283 99. Mean Annual Percentage of Workpeople Unemployed, 185 i-i 913 284 100. Shipbuilding—Vessels Launched, 1888-1930 285 i o i. Vessels under Construction, 1882-1931 287 II 102, National Income and Population 288 103* Real Income at 1930 Prices 289 104. National Income per head of Working Population, 1850-1930 290 105. Value of Foreign Trade, 1870-1930 - 291 106. Summary of Tariffs on Iron and Steel, 1870-1930 292 107. Comparison of Tariffs in Specific Years 294 III 108. The Chief Iron Ores of the World 296 IV 109. Pig Iron Production per Man Employed 315 no. Production per Man per Week—Pre- and Post-war 319 V in. Puddled Bar Production, 1870-1930 320 VI 112. Export Constituents (Five Countries), 1885-1930 322 113. British Exports in Order of Importance 324 114. Tendency of Change in British Exports 324 115. Components of British Iron and Steel Imports, 1913—30 326 116. Source of Imports into Britain, 1911-28 326 117. Imports into France, Belgium, Germany and U.S.A. in order of importance 327 118. Production of Merchant Bars, 1905-30 327 119. Production of Structural Shapes, 1900-30 328 120. Production of Steel Rails, 1880-1930 329 121. Production of Steel Plates and Sheets, 1890-1930 329 122. Production of Galvanized Sheets, 1900-30 330 123. Production of Tin Plates, 1871-1930 331 124. Production of Wire Rod, 1900-30 332 125. Percentage Cost of Wages in Britain, Germany and U.SA. 332 126. Shift Wages in Britain and Germany, 1913-29 334 127. Railway Rates per Ton-mile, 1884 336 VII 128. Associations in the British Iron and Steel Industry, 1919 340 129. Employers* Associations in the Iron and Steel Trades, 1927 342 130. Grouped Firms in Belgium prior to 1914 342 131. Hours of Labour in Britain, Germany and U.S.A. 343