. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. rig. 80. Rail Rolled by the Beth- lehem Iron Company, Ash- bel Welch Pattern, G2 POUNDS, 18tiG. (From chart furnished hy the Bethle- hem Iron Company Standard of 1870. Fig. 81. Rail Rolled by the Beth leiiem Ikon Company. and VV. Railroad Pattern, 50 pounds. 1870. (From chart furnished by the Bethle hem Iron Company Rail rolled by the Beth- lehem Ikon Company, Le- high Valley Railroad Pattern, 40 pounds, 1875. I- • >'ii chart furnis
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. rig. 80. Rail Rolled by the Beth- lehem Iron Company, Ash- bel Welch Pattern, G2 POUNDS, 18tiG. (From chart furnished hy the Bethle- hem Iron Company Standard of 1870. Fig. 81. Rail Rolled by the Beth leiiem Ikon Company. and VV. Railroad Pattern, 50 pounds. 1870. (From chart furnished by the Bethle hem Iron Company Rail rolled by the Beth- lehem Ikon Company, Le- high Valley Railroad Pattern, 40 pounds, 1875. I- • >'ii chart furnished l>y the Bethle- hem Iron Company ). 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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