. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. Fit,'. 99. Steel Tie and permanent way, London and Northwestern Railway, 1885. (From original inthe V. S. National Museum.) the collection. It is the opinion of the chief engineer of the Pennsyl- vania Railroad that the iron tie will not be extensively used in America as long as white-oak standard cross-ties can be purchased for $1 or An exhaustive report upon the iron cross-ties used by European rail- ways, compiled by Russel E. E.
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. Fit,'. 99. Steel Tie and permanent way, London and Northwestern Railway, 1885. (From original inthe V. S. National Museum.) the collection. It is the opinion of the chief engineer of the Pennsyl- vania Railroad that the iron tie will not be extensively used in America as long as white-oak standard cross-ties can be purchased for $1 or An exhaustive report upon the iron cross-ties used by European rail- ways, compiled by Russel E. E. Tralman, of the Engineering News, will be found in the report of B. E. Fernow, chief of the Division of For- estry, in Bulletin No. 3 of the U. S. Agricultural Department. * Presented to the I!. S. National Museum by Mr. P. W. Webb, general locomotive superintendent London and Northwestern Railway, Crewe, England. ComparePlate III (opposite page 1'24). Report of the lr. S. National Museum for 1886. t Seventy cents is the price paid for a white oak cross-tie 7 by 7 inches, 8^ feet long, by the Pennsylvania Railroad in 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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