14 PRELIMINARY REPORT ON COAL-TESTING PLANT, [bull. 261. 
Thermometers and pressure gages, by the Hohmann & Maurcr 
Manufacturing Company, of Rochester, N. Y. 
Draft gages, l>y the Appliance Manufacturing Company, of Chicago. 
Feed-water heater and pump, by the Stilwell-Bierce Smith- Vaile 
Company, of Cincinnati, Ohio. 
Le Chatelier pyrometers, by Charles Engelhard, of New York. 
Engine indicators and attachments, by the Ashcroft Manufacturing 
Company, of New York, and the Crosby Steam Gage and Valve Com- 
pany, of Chicago. 
Metallic piston packing, by the Steel Mill Packing Company, on 
Detroit, Mich. 
Burroughs adding machine, by the American Arithmometer Com- 
pany, of St. Louis. 
Insulated electric wire, by the American Steel and Wire Company, 
of Chicago. 
Machine and engine oil for lubricating the machinery, and heavy 
and medium oil for binding material in the manufacture of briquettes 
from bitiuminous coals and lignites, by the Waters-Pierce Oil Com- 
pany, of St. Louis. 
Oil filter, by the Famous Filter Company, of St. Louis. 
Gas meters, by the Pittsburg Meter Company, of Pittsburg. 
Dumping car and bucket conveyors, by the Austin Manufacturing 
Company, of Chicago. 
Centrifugal pump, by Henion & Hubbell, of Chicago. 
Coal-tar pitch, from the Barrett Manufacturing Company, of New 
York and elsewhere, and the Chatfield Manufacturing Company, oi 
Cincinnati. 
Power crusher and automatic sampler for preparing samples for the 
chemical laboratory, by the F. W. Braun Company, of Los Angeles. 
Cal. 
Cooking range, by the Buck Stove and Range Company, and i 
heating stove, by the Bridge & Beach Manufacturing Company, bott 
of St. Louis, for the purpose of testing briquettes for domestic use. 
Calculating machine, by the Keuffel & Esser Company, of Nev 
York. 
The plans for the buildings and their arrangement were preparec 
by the Roberts & Shaefer Company, engineers, of Chicago. Th* 
construction work was done under the supervision of Mr. Bert 
Fankboner, one of the engineers for the Roberts & Shaefer Com 
pany. Mr. Fankboner was accidentally killed by an electric locomo 
tive early in October, just as the plant had been placed in successfu 
operation and when he could have enjoyed the results of his hard am 
conscientious labor. 
The boiler room was thoroughly equipped with standardized appa 
ratus for weighing coal and water, for determining the force of th 
