00782nam a2200157Ia 450000100060000000300050000600500170001100800410002801000150006911000450008424503210012926000830045030000330053365000210056670000370058787802BIBL20160527204153.0760921s1933    dcu           000 0 eng    a 33022327 20aAmerican Railway Association.wcn2Local14aThe American railroad in laboratoryba brief digest of research and experimentation, conducted by railroads individually and collectively through the American railway association in the interest of constant improvement of their facilities and servicecwih an introduction and historical chapter by Edward Hungerford.0 aWashington, D. C.aChicago, Ill. [etc.]bAmerican railway associationc[c1933]  a544 p.bincl. front., illus. 0aRailroads2Local10aHungerford, Edward, 1875-2Local