. Bulletin. e sampleswen- hermetically sealed and sent to the St. Louis laboratories foranalysis. After the coal was made up into briquets it was returnedto the locomotive testing plant at Altoona, Pa., for the tests. Themethod of making the briquets is described in detail in previousreports of the Geological In this process the bindingmatt rial is mixed with the crushed coal, the mass is softened by con-tact with steam as it passes to the briquetting press, and the briquetis finally formed in a compressing machine. DESCRIPTION OF LOCOMOTIVE. The locomotive, used for all tests was a s
. Bulletin. e sampleswen- hermetically sealed and sent to the St. Louis laboratories foranalysis. After the coal was made up into briquets it was returnedto the locomotive testing plant at Altoona, Pa., for the tests. Themethod of making the briquets is described in detail in previousreports of the Geological In this process the bindingmatt rial is mixed with the crushed coal, the mass is softened by con-tact with steam as it passes to the briquetting press, and the briquetis finally formed in a compressing machine. DESCRIPTION OF LOCOMOTIVE. The locomotive, used for all tests was a simple Atlantic (4-4-2)type passenger locomotive of the Pennsjdvania Railroad Companysclass K 2a. It is shown in the outline elevation in fig. 1, and its ;>port on the operation of the coal-testing plant of the United States Geological Survey at theLoufetaoa Porchase Exposition, St. Louis, Mo., 1904: Prof. Paper No. 48. See also Geological SurveyBulletin m1 343. 14 TESTS OF RUX-OF-MINE AND BEIQUETTED LOCOMOTIVE TESTS. 15 general appearance in its position at the testing plant is shown inPI. I. The principal dimensions, etc., are as follows: Working pressure 205 Total weight do 184,167 Weight on drivers do 110,001 Valves: Type DnuMo-ported balanced slide. Type of valve motion Stephenson. Maximum travel inches .. 7 t hit side lap do bade lap do .15 Ports: Length do 20 Width of steam port do Width of exhaust port do 3 Total wheel base Rigid wheel base do Cylinders: Diameter Stroke do 26 Piston rod diameter do Drivers, diameter do 80 Boiler: Type Belpaire, wide fire box. Diameter of front end . 70 Number of tubes 315 Length of tubes Length of fire box inside do 114 Width of fire box inside do 68 Heating surface in fire box square Heating surface in tubes, fire side do 2, Total heating surface do 2, 319. 26 Type of grate Rocking, Singer. Grate area square LOCOMOTIVE
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectminesandmineralresou
