. Bulletin. s and sparks 9. Smoke density, tests 1, 2, 4, and 5 10. Smoke density, tests 6, 7, and 8 11. Smoke density, tests 9, 10, 19, and 20 12. Smoke density, tests 11, 12, 13, and 14 13. Smoke density, tests 15, 16, 17, and 18 14. Smoke density plotted against boiler capacity 15. Graphic 16. Graphic 17. Graphic 18. Graphic 19. Graphic 20. Graphic 21. Graphic 22. Graphic 23. Graphic 24. Graphic 25. Graphic 26. Graphic 27. Graphic 28. Graphic 29. Graphic 30. Graphic 31. Graphic 32. Graphic 33. Graphic 34. Graphic 35. Graphic chart showing relative evaporative efficiency of briquets and coal
. Bulletin. s and sparks 9. Smoke density, tests 1, 2, 4, and 5 10. Smoke density, tests 6, 7, and 8 11. Smoke density, tests 9, 10, 19, and 20 12. Smoke density, tests 11, 12, 13, and 14 13. Smoke density, tests 15, 16, 17, and 18 14. Smoke density plotted against boiler capacity 15. Graphic 16. Graphic 17. Graphic 18. Graphic 19. Graphic 20. Graphic 21. Graphic 22. Graphic 23. Graphic 24. Graphic 25. Graphic 26. Graphic 27. Graphic 28. Graphic 29. Graphic 30. Graphic 31. Graphic 32. Graphic 33. Graphic 34. Graphic 35. Graphic chart showing relative evaporative efficiency of briquets and coal test ,test ,test 20. Page. 10 1226 14 20 21 21222324252627282930323434353536363737383839394040414142424343 47 Digitized by the Internet Archive in 2011 with funding from University of Toronto BUREAU Oc VINES BULLETIN 37 PLATE. LOCOMOTIVE AND PIT, LOCOMOTIVE TESTING PLANT, ALTOONA, PA. COMPARATIVE TESTS OF RUN-OF-MINE AND BRI-QUETTED COAL ON LOCOMOTIVES. By W. F. M. Goss. INTRODUCTION. THE GEOLOGICAL SURVEYS EXPERIMENTS IX THE USE OF BITUMINOUS-COAL BRIQUETS. For the purpose of procuring data that could be used in estimatingthe value of the briquetting process as applied to American fuels, theUnited States Geological Survey, in cooperation with other interests,began in 1904, at the Louisiana Purchase Exposition, certain experi-ments involving the production and use of bituminous-coal installed at St. Louis, and later at Norfolk, machines for the manu-facture of such briquets, and the output of these machines has beentoted in locomotive service on several different railroads in compari-son with natural fuels. An elaborate and carefully executed series oftests involving the use of natural coals and of briquets made from thesame coal, previously crushed, was carried out on a locomotivemounted a
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectminesandmineralresou
