6 OPERATIONS OF FUEL-TESTING PLANT IN 1905. 
EQUIPMENT. 
The major part of the equipment of the plant during the current year has remained 
much as it was during 1904, though a number of additions have been made. In the list 
given below, the equipment mentioned in the reports for 1904 a is included for the conven- 
ience of those who may not have access to those reports; the articles which have been 
subsequently added are marked with an *. The new equipment is described more fully 
in the accompanying papers relative to the work of each division. The following list con- 
tains the more important items for all the divisions: 
Two Heine water-tube boilers, 210 horsepower each, contributed by the Heine Safety 
Boiler Company, of New York and St. Louis. 
One Allis Corliss engine, contributed by the Allis-Chalmers Company, of New York and 
Chicago. The Corliss engine was belt-connected to a Bullock electric generator contrib- 
uted by the Bullock Electric Manufacturing Company, of Cincinnati, Ohio. 
One Frost fire-tube boiler of 100 horsepower and a 50-horsepowe: - slide-valve engine, 
both contributed by the Frost Engine Company, of Galesburg, 111. 
Two Taylor gas producers (one 7-foot producer and one 8-foot producer with inside 
diameter reduced to 7 feet by fire brick), with complete outfit for scrubbing and purifying 
gas, supplied by R. D. Wood & Co., of Philadelphia. These producers are installed to 
operate alternately with one tar extractor and one engine. 
One Westinghouse gas engine of 235 brake horsepower, supplied by the Westinghouse 
Machine Company, of Pittsburg, and operated by the gas made in the Taylor producers. 
One Westinghouse electric generator, belt-connected to the gas engine, supplied by the 
Westinghouse Electric and Manufacturing Company, of Pittsburg. 
Seven motors of different horsepower, required for the operation of the different portions 
of the plant, supplied by the Westinghouse Electric and Manufacturing Company. 
One Bartlett direct-heat rotating drier for driving out the moisture from washed coals 
and lignites whose moisture contents were too high to permit successful briquetting, con- 
tributed by the C. O. Bartlett & Snow Company, of Cleveland, Ohio. 
One briquetting plant supplied by William Johnson & Sons, of Leeds, England. 
A washing plant equipped with two Luhrig jigs,* constructed at the plant, and a modi- 
fied Stewart jig, supplied by the Link Belt Machinery Company, of Chicago. 
A battery of three full-size beehive coke ovens, constructed of red brick and lined with 
fire brick, contributed by the Laclede Fire Brick Manufacturing Company, of St. Louis. 
One 7-ton larry * for use in charging the coke oven, contributed by the Frick Coke 
Company, of Pittsburg. 
One Climax gasoline gas machine,* about 1,000 candlepower, supplied by the Federal 
Gas Company, of St. Louis, for use in the chemical laboratory (this being rendered neces- 
sary by the cutting off of the city gas supply from these grounds after the Exposition 
closed). 
One McClave rocking grate.* 
One forced-draft outfit,* consisting of a blower and a direct-connected steam engine, 
supplied by the B. F. Sturtevant Company. 
The foregoing list includes all that might properly be considered testing machinery, but 
the following additional incidental equipment and material were contributed by the firms 
mentioned: 
One Williams crusher, by the Williams patent Crusher and Pulverizer Company, of St. 
Louis. 
A complete outfit of belt-conveying apparatus, contributed and installed by the Robins 
Conveying Belt Company, of New York. 
A 30-inch Jeffrey conveying belt * for delivery of coal to the gas producer direct from 
the car or from the ground bins. 
Scales, by Fairbanks, Morse & Co., of New York and Chicago. 
a Bull. U. S. Geol. Survey No. 261, 1905, p. 12; Prof. Paper U. S. Geol. Survey No. 48, 1906, p. 25. 
