678 | B. & W. Co. |
187 | 23.25 | 42.11 | 49.38 | 8.51 | 11090 | B. & W. Co. |
188 | 23.77 | 48.70 | 41.47 | 9.83 | 10629 | B. & W. Co. |
189 | 20.38 | 46.38 | 47.50 | 6.12 | | |
190 | 16.74 | 47.90 | 44.60 | 7.50 | |Col. Sc. of M.|
191 | 18.30 | 45.29 | 44.67 | 10.04 | | |
192 | 29.65 | 45.56 | 47.05 | 7.39 | 10553 | Lord |
193 | 35.96 | 49.84 | 38.05 | 12.11 | 11036 | U. S. Geo. S.|
194 | 29.65 | 46.56 | 38.70 | 14.74 | | Lord |
195 | 35.84 | 43.84 | 39.59 | 16.57 | 10121 | U. S. Geo. S.|
196 | 41.76 | 39.37 | 48.09 | 12.54 | 10121 | B. & W. Co. |
197 | 42.74 | 40.83 | 47.79 | 11.38 | 10271 | B. & W. Co. |
198 | 32.77 | 42.76 | 36.88 | 20.36 | 8958 | B. & W. Co. |
199 | 23.27 | 40.95 | 38.37 | 20.68 | 10886 | U. S. Geo. S.|
200 | 31.48 | 46.93 | 34.40 | 18.87 | 10176 | B. & W. Co. |
| | | | | | |
201 | 32.48 | 43.04 | 41.14 | 15.82 | 10021 | B. & W. Co. |
202 | 32.01 | 43.70 | 43.08 | 13.22 | 10753 | B. & W. Co. |
203 | 33.98 | 46.97 | 41.40 | 11.63 | 10600 | U. S. Geo. S.|
| | | | | | |
204 | 30.25 | 43.27 | 41.46 | 15.27 | 10597 | |
205 | 3.71 | 48.72 | 46.56 | 4.72 | | Gale |
206 | 6.44 | 51.32 | 43.00 | 5.68 | 11607 | B. & W. Co. |
207 | 19.08 | 45.21 | 46.42 | 8.37 | 12641 | U. S. Geo. S.|
| | | | | | |
208 | 21.18 | 51.87 | 40.43 | 7.70 | 12316 | U. S. Geo. S.|
209 | 7.70 | 38.57 | 56.99 | 4.44 | 12534 | B. & W. Co. |
210 | 19.15 | 45.50 | 48.11 | 6.39 | 9868 | U. S. Geo. S.|
____|__________|__________|________|_________|________|______________|

[Illustration: Portion of 12,080 Horse-power Installation of Babcock &
Wilcox Boilers and Superheaters at the Potomac Electric Co., Washington,
D. C.]

TABLE 39

SHOWING RELATION BETWEEN PROXIMATE AND ULTIMATE ANALYSES OF COAL

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