332 



cox. 



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



J. — FIRST TEST OF COAL, FROM THE MILITARY RESERVATION, BATAN ISLAND — 

 100 FIRINGS DURING 71-HOUR TEST. 



[Test No. 10, Table II.] 



Time after 

 starting. 



Beginning,. 



J.hour 



i hour 



i hour 



1 hour 



Steam pressure 

 gauge. 



Kilos 



per 



square 



centi- 

 meter. 



7.875 

 7.242 

 7.312 

 6.639 



IJ hours 6. 820 



IJ hours - 



1} hours . 



2 hours . 



27 hours 



24 hours 



2J hours 



3 hours ^. 



SJ-hours 



34 hours 



3} hours 



4 hours 



4J hours 



44 hours 



4J hours 



.T hours 



54 hours 



54 hours 



5i hours 



6 hours 



64 hours 



64 hours 



6} hours 



7 hours 



74 hours 



74 hours 



Total 



Average 



7. 382 



7.593 

 7.804 

 7.172 



7.101 



6.609 

 7.312 

 8.156 

 7.875 

 7.382 

 7.593 

 7.453 

 7.312 



7.875 



7.875 

 7.875 

 7.523 

 7.382 

 7.734 

 7.523 

 7. 875 

 7.523 

 7.734 



229. 910 

 7.417 



Pounds 



per 

 square 

 inch. 



112 



103 



104 



93 



105 



108 

 111 

 102 



101 



94 

 104 

 116 

 112 

 105 

 108 

 106 

 104 



112 

 112 

 107 

 105 

 110 

 107 

 112 

 107 

 110 



;,270 

 105.5 



Tem- 

 pera- 

 ture of 



flue 

 gases, 

 base of 

 stack. 



Average com- 

 position of flue 

 gases, in percent. 



370 

 390 

 415 

 435 



4.55 



420 



460 

 420 

 385 



425 



410 

 425 

 420 

 420 

 400 

 420 

 400 

 405 



400 



405 

 405 

 400 

 415 

 440 

 425 

 410 

 395 

 365 



12, 825 

 414 



COo 



CO 



Kilos of coal 

 burned— 



Dur- 

 ing 

 pe- 

 riod. 



65 



65 

 65 

 65 



I 70 



70 

 65 

 65 

 65 

 65 

 70 

 70 

 70 



Total. 



70 

 135 

 200 



265 

 330 



525 



595 

 660 

 725 



795 



865 

 930 

 995 

 1,060 

 1,125 

 1,195 

 1,265 

 1,335 



65 I 1,400 



65 

 65 

 65 

 65 

 65 

 65 

 65 

 65 

 27.8 



1, 947. S 

 64.9 



1,465 

 1,530 

 1,595 

 1,660 

 1,725 

 1,790 

 1,855 

 1,920 

 1, 947. 



Kilos of 



water fed to 



boiler— 



Dur- 

 ing 



nod. 



275 

 275 

 275 



275 

 275 



275 



275 

 275 

 100 



1.50 



275 

 275 

 275 

 275 

 275 

 200 

 200 



275 



275 

 275 

 275 

 275 

 275 

 275 

 275 

 275 

 166 



7,691 

 256 



Total, 



275 

 550 

 825 



1,100 



1,650 

 1,925 



2,200 



2,475 

 2,750 

 2,850 



3,000 



3,275 

 3,550 

 3, 825 

 4,100 

 4,375 

 4,575 

 4, 775 

 5, 050 



5,325 



5,600 

 5,875 

 6,150 

 6,425 

 6,700 

 6,975 

 7,250 

 7,525 

 7,691 



Fire 

 raked 

 or 

 slic- 

 ed, 

 time 

 after 

 start- 

 ing. 



Clean- 

 led fire, 

 time 

 after 

 start- 

 ing. 



h. m. 



25 



33 



[0 47 



10 59 

 ;l 03 



11 11 

 il 20 

 11 25 



1 32 

 11 42 

 [1 46 

 U 68 



2 00 

 2 18 



;2 50 

 [2 56 

 3 11 

 3 17 

 3 88 



4 02 

 4 29 



4 54 



5 04 

 .5 15 

 5 25 



6 02 



7 00 

 7 22 



A.m. 

 00 



2 40 



4 20 

 4 44 



6 39 



6 57 



