98 PRELIMINARY REPORT ON COAL-TESTING PLANT, [bull.: 
COAL, INDIAN TERRITORY NO. 1, PRODUCER-GAS TEST NO. 1. 
[Coal from mine No. 1 of the Whitehead Coal and Mining Company, Henryetta, Ind. T.; tes 
October 3, 4, 5, and 6, 1904.] 
Duration of test hours. . 31 
Total coal produced in producer pounds. . 11, 200 
Moisture in coal per cent. . 5 
Dry coal consumed in producer pounds. . 10, 640 
Refuse from dry coal per cent. . 8 
Total refuse from coal pounds. . 955 
Total combustible consumed in producer do 9, 685 
Coal consumed, pounds per hour. 
Coal consumed in producer 361 
Dry coal consumed in producer 344 
Combustible consumed in producer 312 
Equivalent coal used by producer plant 392 
Equivalent dry coal used by producer plant 374 
Equivalent combustible used by producer plant 339 
British thermal units. 
Per pound of coal 12, 787 
Per pound of dry coal 13, 455 
Per pound of combustible 14, 800 
Per cubic feet of standard gas 159, 
From standard gas per pound dry coal burned in producer 8, 620 
From standard gas per hour per brake horsepower 12, 350 
Gas produced, cubic feet {reduced to standard). 
Total 577, 000 
Per hour 18, 613 
Per pound coal consumed in producer 51. 
Per pound dry coal consumed in producer 54. 
Per pound combustible consumed in producer 59, 
Per pound equivalent coal used by producer plant 47. 
Per pound equivalent dry coal used by producer plant 49. 
Per pound equivalent combustible used by producer plant 54. 
Horsepower developed. 
Average electrical horsepower available for outside purposes 196 
Average electrical horsepower developed at switch board 204 
Average brake horsepower f available for outside purposes 230 
Average brake horsepower f developed at engine 240 
f Based on an assumed efficiency of 85 per cent for generator and belt. 
