INDEX. 
A. Page. 
eid sludge for binding briquettes, tests of. 146 
ir-drying, loss due to 30-31 
labama, coal from, analyses of 32 
coal from, boiler tests of 80 
boiler and gas-producer tests of, 
summary of 119 
briquetting tests of 147, 148, 158 
coking tests of 121, 122, 130 
producer-gas tests of 88-90, 117 
samples of, list of 22 
washing tests of 66 
Uis-Chalmers Company, equipment con- 
tributed by 13 
median Arithmometer Company, equip- 
ment contributed by 14 
merican Compressed Fuel Company, 
equipment contributed by 13 
merican Concentrator Company, equip- 
ment contributed by 13 
merican Fuel Company, coal contributed 
by 26 
merican Steel Wire Company, equipment 
contributed by 14 
nalysis, methods of 31 
nchor Coal Company, coal contributed by. 24 
rens, Henry, work of 84 
ppliance Manufacturing Company, equip- 
ment contributed by 14 
ppropriations, amount of 11 
rkansas, coal from, analyses of 33-35 
coal from, boiler tests of 80 
briquetting tests of 147-152, 168 
coking teste of 122, 130 
samples of, list of 22 
washing tests of 66 
shcroft Manufacturing Company, equip- 
ment contributed by 14 
sphalt for binding briquettes, analyses of. 140 
tests of 142-144 
use of 140 
ehison Coal Mining Company, coal con- 
tributed by 26 
istin Manufacturing Company, equip- 
ment contributed by 14 
B. 
irrett Manufacturing Company, aid rend- 
ered by 134,137 
rrett Manufacturing Company, equip- 
ment contributed by 14 
rrett Manufacturing Company pitch 
Irom, character oi 137-138 
rtlett, C. O . A: Snow Company, equip- 
ment contributed by 13 
Page. 
Baum, F. W., Company, equipment con- 
tributed by 14 
Berwind-White Coal Mining Company, coal 
contributed by 26 
Big Sandy Coal and Coke Company, coal 
contributed by 28 
Hinders used for making briquettes, de- 
scription of 136-146 
Boiler house, equipment of 12, 14-15 
Boilers for steam tests, description of 74-75 
Boyd, B. B., work of 15 
Breckenridge, L. P., report by, on steam 
tests 74-84 
work of 15 
Breckenridge, L. P., and Fernald, R H., re- 
port by, on comparison of steam 
and producer-gas tests 118-120 
Bridge & Beach Manufacturing Company, 
equipment contributed by 14 
Bridgeman, A. P., work done by 84 
Briquettes, binders used in making 136-146 
binding materials for, laboratory tests 
of 141-146 
character of 148-166 
coals used in making 146-148 
coking of, experiments in 168 
pitch used in making 136-139 
mode of making 134-146 
Briquetting, machinery for 12 
Briquetting plant, description of 134-136 
Briquetting tests, reportof J. H. Pratton. 134-168 
Bryan, F. A., work of 31 
Buck, S. M., coal contributed by 28 
Buck Stove and Range Company, equip- 
ment contributed by 14 
Buildings, character of 12 
Bullock Electric Manufacturing Company, 
equipment contributed by 13 
Burrell, G. A., work of 31 
Burrows, J. S., work of 16,18 
C. 
( 'aledonian Coal Company, coal contributed 
by 26 
California, asphalt from 140 
Cambria Fuel Company, coal contributed 
by 28 
Cameron, William, work done by 84 
Campbell, M. R., report by, on field work.. 18-29 
work in charge of '. 16 
Campbell, M. R., Parker, E. W., and Holmes, 
J. A., introduction by, giving 
general description of the inves- 
tigations 11-17 
169 
