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]

TABLE 24

PROPERTIES OF SUPERHEATED STEAM

REPRODUCED BY PERMISSION FROM
MARKS AND DAVIS "STEAM TABLES AND DIAGRAMS"
(Copyright, 1909, by Longmans, Green & Co.)
__________________________________________________________________
| | | |
| | | Degrees of Superheat |
|Pressure| |_______________________________________________|
| Pounds |Saturated| | | | | | |
|Absolute| Steam | 50 | 100 | 150 | 200 | 250 | 300 |
|________|_________|_______|_______|_______|_______|_______|_______|
| t| 162.3 | 212.3 | 262.3 | 312.3 | 362.3 | 412.3 | 462.3 |
| 5 v| 73.3 | 79.7 | 85.7 | 91.8 | 97.8 | 103.8 | 109.8 |
| h| 1130.5 |1153.5 |1176.4 |1199.5 |1222.5 |1245.6 |1268.7 |
|________|_________|_______|_______|_______|_______|_______|_______|
| t| 193.2 | 243.2 | 293.2 | 343.2 | 393.2 | 443.2 | 493.2 |
| 10 v| 38.4 | 41.5 | 44.6 | 47.7 | 50.7 | 53.7 | 56.7 |
| h| 1143.1 |1166.3 |1189.5 |1212.7 |1236.0 |1259.3 |1282.5 |
|________|_________|_______|_______|_______|_______|_______|_______|
| t| 213.0 | 263.0 | 313.0 | 3