338 



cox. 



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



P.— SECOND TEST OF COAL FROM BETTS' MINE, BATAN ISLAND — 125 FIRINGS 



DURING 7-HOUR TEST. 



[Test No. 16, Table II.] 



Time after 

 starting. 



Steam pressure 

 gauge. 



Kilos 



per 



square 



centi- 

 meter. 



Pounds 



per 

 square 

 incli. 



Tem- 

 pera- 

 ture of 



flue 

 gases, 

 base of 

 stack 



Average com- 

 position of flue 

 gases, in per cent, 



COo 



CO 



Kilos of coal 

 burned — 



Dur- 

 ing 



nod. 



Total. 



Kilos of .„. 

 water fed to \ ^"% 

 boiler— raked 

 or 

 slic- 

 ed, 

 time 

 after 

 start- 

 ing. 



Dur. 

 ing 

 pe- 

 riod. 



Total. 



Clean- 

 ed Are 

 time 

 after 

 start- 

 ing. 



Beginning,, 



^ hour 



^ hour 



3 hour 



1 hour 



li hours 



li hours 



1} hours 



2 hours 



2i hours 



24 hours 



2} hours 



3 hours 



3J hours 



3i hours 



3} hours 



4 hours 



4i hours 



4J hours 



4J hours 



6 hours 



5t hours 



54 hours 



53 hours 



6 hours 



6i hours 



6i hours - 



6} hours 



7 hours 



Total -,_ 

 Average 



7. 382 

 7.875 

 6.961 

 7.453 

 7.031 

 7.172 

 6.539 

 6.609 

 7.031 

 7.593 

 7.172 

 7. 172 

 7.382 

 "7.453 

 7.664 

 7.593 

 7. 804. 

 7.523 

 7.242 

 7.664 

 7.734 

 7.523 

 7.453 

 7.945 

 7.453 

 7.664 

 7.382 

 7.523 

 6.890 



213. 882 

 7.375 



105 

 112 

 99 

 106 

 100 

 102 

 93 

 94 

 100 

 108 

 102 

 102 

 105 

 106 

 109 

 108 

 111 

 107 

 103 

 109 

 110 

 107 

 106 

 113 

 106 

 109 

 105 

 107 



430 

 455 

 455 

 480 

 460 

 450 

 440 

 415 

 440 

 420 

 430 

 425 

 450 

 430 

 440 

 445 

 440 

 400 

 365 

 430 

 405 

 435 

 430 

 435 

 450 

 430 

 480 

 490 

 505 



3,042 

 104.9 



12, 760 

 440 



10.9 



10.6 



0.0 



85 

 85 

 85 

 85 

 85 

 85 

 50 

 1 100 

 85 



2, 313. 4 

 82.6 



85 

 170 

 255 

 340 

 425 

 510 

 660 

 660 

 745 



85 



830 



85 



915 



85 



1,000 



85 



1,085 



85 



1,170 



85 



1, 2-55 



85 



1,340 



85 



1,425 



85 



1,610 



85 



1,595 



85 



1,680 



85 



1,765 



85 



1,850 



85 



1,935 



85 



2, 020 



85 



2,105 



85 



2,190 



85 



2,275 



38.4 



2, 313. 4 



325 

 325 

 325 

 325 

 325 

 335 

 225 

 300 

 325 

 325 

 325 

 325 

 325 

 325 

 325 

 325 

 325 

 325 

 325 

 325 

 325 

 32) 

 325 

 326 

 325 

 325 

 325 

 112 



1, 762 

 313 



2 51 



3 07 



3 34 



5 00 

 5 14 



k.m. 

 00 



6 23 j_ 

 6 34 \. 



