. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. Fig. 125. • Fig. 120. Anglr Splice Bar, Chicago, Bublingtonand Angle Splice Bar, Chicago, Burlington and Qltxcy Railroad, 60-Lb. Rail, 1808. Quincy Railiioad, 66-Lb. Kail, 1870. iwing in the U. S, Natl il Museum.) (From a drawing in the U. S. National Museum.). 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

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. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. Fig. 125. • Fig. 120. Anglr Splice Bar, Chicago, Bublingtonand Angle Splice Bar, Chicago, Burlington and Qltxcy Railroad, 60-Lb. Rail, 1808. Quincy Railiioad, 66-Lb. Kail, 1870. iwing in the U. S, Natl il Museum.) (From a drawing in the U. S. National Museum.). 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