PHILIPPINE COALS AS FUEL. 



337 



Table IV. — Observations in detail of the tests of coals — Continued. 



O. — FIRST TEST OF COAL FROM BBTTS' MINE, BATAN ISLAND — 66 FIRINGS 

 DURING 4-HOUR TEST. 



[Test No. 15, Table II.] 



Time after 

 starting. 



Steam pressure 

 gauge. 



Kilos 



per 



square 



centi- 

 meter. 



Pounds 



per 

 square 

 Inch. 



Tern 

 pera- 

 ture of 



flue 

 gases, 

 base of 

 stack. 



Average com- 

 position of flue 

 gases, in per cent. 



CO., 



CO 



Kilos of coal 

 burned— 



Dur- 

 ing 

 pe- 

 riod. 



Total. 



Kilos of 



water fed to 



boiler — 



Dur- 

 ing 

 pe- 

 riod. 



Total. 



Fire 

 raked 

 or 

 slic- 

 ed, 

 time 

 after 

 start- 

 ing. 



Clean- 

 ed fire, 

 time 

 after 

 start- 

 ing. 



Beginnings. 



ihour 



4 hour 



^ hour 



1 hour 



Ij hours 



IJ hours 



13 hours 



2 hours 



2i hours 



24 hours 



2 J hours 



3 hours 



3i hours 



3J hours _-. 



3} hours 



■1 hours 



Total 



Average 



82 

 82 

 75 

 71 

 75 

 72 

 69 

 57 

 56 

 58 

 57 

 55 

 52 

 45 

 42 

 42 



440 

 465 

 412 

 403 

 540 

 520 

 480 

 450 

 430 

 425 

 415 

 405 

 360 

 363 

 292 

 250 

 250 



1, 081 

 63.6 



6,900 

 406 



11.4 



7.4 



4.0 



0.0 



^11.8 



!■ '■■ 



0.2 



10.0 



1,134 

 70.9 



75 

 150 

 225 

 300 

 375 

 450 

 525 

 600 

 675 

 750 

 820 

 890 

 960 

 1,030 

 1,100 

 1,134 



275 

 275 

 275 

 275 

 275 

 275 

 275 

 275 

 275 

 275 

 275 

 275 

 275 

 275 

 275 

 186 



275 

 550 

 825 

 1,100 

 1,375 

 1,650 

 1,925 

 2,200 

 2,475 

 2,750 

 3,025 

 3,300 

 3,575 

 3,850 

 4,125 

 4,311 



4,311 

 269.4 



h.m. 



h.m. 

 00 



45 



1 45 



4 00 



