. Cross tie forms and rail fastenings with special reference to treated timbers . ng dimensions: One-fourth, one-half, and five-eighth- inch in thickness, 0 to 7 inches long, and the width of the railbase under which they are to l>e used. These tie-plates should be made ut of Soft woods, and should be fullv creosoted. Attention wasdifficulties with called abov soft timbers DOWELS. • to the lies in fact that one of the greatestie fact that the wood aroundthe spikes wears out withconsiderable rapidity afterthe new tie has been put inservice. This wearing outnot only destroys the tie,l»ut also
. Cross tie forms and rail fastenings with special reference to treated timbers . ng dimensions: One-fourth, one-half, and five-eighth- inch in thickness, 0 to 7 inches long, and the width of the railbase under which they are to l>e used. These tie-plates should be made ut of Soft woods, and should be fullv creosoted. Attention wasdifficulties with called abov soft timbers DOWELS. • to the lies in fact that one of the greatestie fact that the wood aroundthe spikes wears out withconsiderable rapidity afterthe new tie has been put inservice. This wearing outnot only destroys the tie,l»ut also makes the trackunsafe, since l he railsare nolonger held to the tie. Arecent invention by a Frenchengineer has already shownsuch remarkable results inthe way of preventing weararound the spike that itis deserving of study andtrial. In L896 this engineercalled attention to a cylindrical screw dowel which he had devised foruse w ith softwood tie-. This dowel (illustrated in tig. .VS) consists of acylindrical piece of wood formed into a screw w ith a very wide
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectwoodpre, bookyear1904
