REPRODUCED BY PERMISSION FROM
MARKS AND DAVIS "STEAM TABLES AND DIAGRAMS"
(Copyright, 1909, by Longmans, Green & Co.)
____________________________________________________________________
|Pressure,| Temper- |Specific Vol-|Heat of |Latent Heat|Total Heat|
| Pounds |ature De-| ume Cu. Ft. |the Liquid,| of Evap., |of Steam, |
|Absolute |grees F. | per Pound | B. t. u. | B. t. u. | B. t. u. |
|_________|_________|_____________|___________|___________|__________|
| 1 | 101.83 | 333.0 | 69.8 | 1034.6 | 1104.4 |
| 2 | 126.15 | 173.5 | 94.0 | 1021.0 | 1115.0 |
| 3 | 141.52 | 118.5 | 109.4 | 1012.3 | 1121.6 |
| 4 | 153.01 | 90.5 | 120.9 | 1005.7 | 1126.5 |
| 5 | 162.28 | 73.33 | 130.1 | 1000.3 | 1130.5 |
| 6 | 170.06 | 61.89 | 137.9 | 995.8 | 1133.7 |
| 7 | 176.85 | 53.56 | 144.7 | 991.8 | 1136.5 |
| 8 | 182.86 | 47.27 | 150.8 | 988.2 | 1139.0 |
| 9 | 188.27 | 42.36 | 156.2 | 985.0 | 1141.1 |
| 10 | 193.22 | 38.38 | 161.1 | 982.0 | 1143.1 |
| 11 | 197.75 | 35.10 | 165.7 | 979.2 | 1144.9 |
| 12 | 201.96 | 32.36 | 169.9 | 976.6 | 1146.5 |
| 13 | 205.87 | 30.03 | 173.8 | 974.2 | 1148.0 |
| 14 | 209.55 | 28.02 | 177.5 | 971.9 | 1149.4 |
| 15 | 213.0 | 26.27 | 181.0 | 969.7 | 1150.7 |
| 16 | 216.3 | 24.79 | 184.4 | 967.6 | 1152.0 |
| 17 | 219.4 | 23.38 | 187.5 | 965.6 | 1153.1 |
| 18 | 222.4 | 22.16 | 190.5 | 963.7 | 1154.2 |
| 19 | 225.2 | 21.07 | 193.4 | 961.8 | 1155.2 |
| 20 | 228.0 | 20.08 | 196.1 | 960.0 | 1156.2 |
| 22 | 233.1 | 18.37 | 201.3 | 956.7 | 1158.0 |
| 24 | 237.8 | 16.93 | 206.1 | 953.5 | 1159.6 |
| 26 | 242.2 | 15.72 | 210.6 | 950.6 | 1161.2 |
| 28 | 246.4 | 14.67 | 214.8 | 947.8 | 1162.6 |
| 30 | 250.3 | 13.74 | 218.8 | 945.1 | 1163.9 |
| 32 | 254.1 | 12.93 | 222.6 | 942.5 | 1165.1 |
| 34 | 257.6 | 12.22 | 226.2 | 940.1 | 1166.3 |
| 36 | 261.0 | 11.58 | 229.6 | 937.7 | 1167.3 |
| 38 | 264.2 | 11.01 | 232.9 | 935.5 | 1168.4 |
| 40 | 267.3 | 10.49 | 236.1 | 933.3 | 1169.4 |
| 42 | 270.2 | 10.02 | 239.1 | 931.2 | 1170.3 |
| 44 | 273.1 | 9.59 | 242.0 | 929.2 | 1171.2 |
| 46 | 275.8 | 9.20 | 244.8 | 927.2 | 1172.0 |
| 48 | 278.5 | 8.84 | 247.5 | 925.3 | 1172.8 |
| 50 | 281.0 | 8.51 | 250.1 | 923.5 | 1173.6 |
| 52 | 283.5 | 8.20 | 252.6 | 921.7 | 1174.3 |
| 54 | 285.9 | 7.91 | 255.1 | 919.9 | 1175.0 |
| 56 | 288.2 | 7.65 | 257.5 | 918.2 | 1175.7 |
| 58 | 290.5 | 7.40 | 259.8 | 916.5 | 1176.4 |
| 60 | 292.7 | 7.17 | 262.1 | 914.9 | 1177.0 |
| 62 | 294.9 | 6.95 | 264.3 | 913.3 | 1177.6 |
| 64 | 297.0 | 6.75 | 266.4 | 911.8 | 1178.2 |
| 66 | 299.0 | 6.56 | 268.5 | 910.2 | 1178.8 |
| 68 | 301.0 | 6.38 | 270.6 | 908.7 | 1179.3 |
| 70 | 302.9 | 6.20 | 272.6 | 907.2 | 1179.8 |
| 72 | 304.8 | 6.04 | 274.5 | 905.8 | 1180.4 |
| 74 | 306.7 | 5.89 | 276.5 | 904.4 | 1180.9 |
| 76 | 308.5 | 5.74 | 278.3 | 903.0 | 1181.4 |
| 78 | 310.3 | 5.60 | 280.2 | 901.7 | 1181.8 |
| 80 | 312.0 | 5.47 | 282.0 | 900.3 | 1182.3 |
| 82 | 313.8 | 5.34 | 283.8 | 899.0 | 1182.8 |
| 84 | 315.4 | 5.22 | 285.5 | 897.7 | 1183.2 |
| 86 | 317.1 | 5.10 | 287.2 | 896.4 | 1183.6 |
| 88 | 318.7 | 5.00 | 288.9 | 895.2 | 1184.0 |
| 90 | 320.3 | 4.89 | 290.5 | 893.9 | 1184.4 |
| 92 | 321.8 | 4.79 | 292.1 | 892.7 | 1184.8 |
| 94 | 323.4 | 4.69 | 293.7 | 891.5 | 1185.2 |
| 96 | 324.9 | 4.60 | 295.3 | 890.3 | 1185.6 |
| 98 | 326.4 | 4.51 | 296.8 | 889.2 | 1186.0 |
| 100 | 327.8 | 4.429 | 298.3 | 888.0 | 1186.3 |
| 105 | 331.4 | 4.230 | 302.0 | 885.2 | 1187.2 |
| 110 | 334.8 | 4.047 | 305.5 | 882.5 | 1188.0 |
| 115 | 338.1 | 3.880 | 309.0 | 879.8 | 1188.8 |
| 120 | 341.3 | 3.726 | 312.3 | 877.2 | 1189.6 |
| 125 | 344.4 | 3.583 | 315.5 | 874.7 | 1190.3 |
| 130 | 347.4 | 3.452 | 318.6 | 872.3 | 1191.0 |
| 135 | 350.3 | 3.331 | 321.7 | 869.9 | 1191.6 |
| 140 | 353.1 | 3.219 | 324.6 | 867.6 | 1192.2 |
| 145 | 355.8 | 3.112 | 327.4 | 865.4 | 1192.8 |
| 150 | 358.5 | 3.012 | 330.2 | 863.2 | 1193.4 |
| 155 | 361.0 | 2.920 | 332.9 | 861.0 | 1194.0 |
| 160 | 363.6 | 2.834 | 335.6 | 858.8 | 1194.5 |
| 165 | 366.0 | 2.753 | 338.2 | 856.8 | 1195.0 |
| 170 | 368.5 | 2.675 | 340.7 | 854.7 | 1195.4 |
| 175 | 370.8 | 2.602 | 343.2 | 852.7 | 1195.9 |
| 180 | 373.1 | 2.533 | 345.6 | 850.8 | 1196.4 |
| 185 | 375.4 | 2.468 | 348.0 | 848.8 | 1196.8 |
| 190 | 377.6 | 2.406 | 350.4 | 846.9 | 1197.3 |
| 195 | 379.8 | 2.346 | 352.7 | 845.0 | 1197.7 |
| 200 | 381.9 | 2.290 | 354.9 | 843.2 | 1198.1 |
| 205 | 384.0 | 2.237 | 357.1 | 841.4 | 1198.5 |
| 210 | 386.0 | 2.187 | 359.2 | 839.6 | 1198.8 |
| 215 | 388.0 | 2.138 | 361.4 | 837.9 | 1199.2 |
| 220 | 389.9 | 2.091 | 363.4 | 836.2 | 1199.6 |
| 225 | 391.9 | 2.046 | 365.5 | 834.4 | 1199.9 |
| 230 | 393.8 | 2.004 | 367.5 | 832.8 | 1200.2 |
| 235 | 395.6 | 1.964 | 369.4 | 831.1 | 1200.6 |
| 240 | 397.4 | 1.924 | 371.4 | 829.5 | 1200.9 |
| 245 | 399.3 | 1.887 | 373.3 | 827.9 | 1201.2 |
| 250 | 401.1 | 1.850 | 375.2 | 826.3 | 1201.5 |
|_________|_________|_____________|___________|___________|__________|
[Illustration: Portion of 6100 Horse-power Installation of Babcock &
Wilcox Boilers Equipped with Babcock & Wilcox Chain Grate Stokers at the
Campbell Street Plant of the Louisville Railway Co., Louisville, Ky.
This Company Operates a Total of 14,000 Horse Power of Babcock & Wilcox
Boilers]