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. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. DEVELOPMENT OF THE AMERICAN KAIL AND TRACK. 701 Figs. 1-5, 12H, l'.'T, and 128* show the various standards of angle splice-bars adopted by the Chicago, Burlington and Quincy Railroad, 1868, 1879, 1885, and 1890. 1«. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithso
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. DEVELOPMENT OF THE AMERICAN KAIL AND TRACK. 701 Figs. 1-5, 12H, l'.'T, and 128* show the various standards of angle splice-bars adopted by the Chicago, Burlington and Quincy Railroad, 1868, 1879, 1885, and 1890. 1«. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution. Board of Regents; United States National Museum. Report of the U. S. National Museum; Smithsonian Institution. Report of the Secretary. Washington : Smithsonian Institution
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Keywords: ., bookauthorsmithsonianinstitutio, bookcentury1800, bookdecade1840