. The decay of timber and methods of preventing it . t take this into account. One must remember,furthermore, that sawed timber is used in all cases. Figure 13 shows a log of Baltic pine, and illustrates the manner inwhich the English lines cut two ties from a tree. Figure 11 shows anextreme case of the present method of cutting a tie from a small treeri. e. a tree which would make but one heartwood tie. The dimen-sions given are taken for the sake of illustration, and need not beconsidered final. As the more economic use of timber is one of the problems which willengage active attention in th
. The decay of timber and methods of preventing it . t take this into account. One must remember,furthermore, that sawed timber is used in all cases. Figure 13 shows a log of Baltic pine, and illustrates the manner inwhich the English lines cut two ties from a tree. Figure 11 shows anextreme case of the present method of cutting a tie from a small treeri. e. a tree which would make but one heartwood tie. The dimen-sions given are taken for the sake of illustration, and need not beconsidered final. As the more economic use of timber is one of the problems which willengage active attention in the future, the writer ventures to suggest 36 DECAY OF TIMBEE AND METHODS OF PEE VENTING IT. the possibility of imitating the method of tie cutting as practiced inEngland, with some modifications, chiefly of size. This will referonly to treated timber. It may not be practicable to do this in allparts, of the United States, but it is a point which is worthy of con-sideration and discussion. Figures 15 and 16 show how two ties could be cut from a tree,. Fig. 17.— S used to prevent checking. assuming that the present depth be sufficient. The new methodwould mean a wider tie, and one which would require more care inlaying, as the heart wood side would have to be at the bottom. Thiswould be no objection, for when ties are treated they become objectsworthy of more care than is now given to untreated timbers. Thewriter believes that a section man could be taught to lay a tie prop-erly, despite the objections made hy some engineers and superintend- TIES, POLES, ETC. 37 ents. Our workmen are surely as intelligent as those on the Europeanroads, and if properly directed there is no reason why the same carein laying ties can not be obtained here as abroad. Ties cut two from a log would be somewhat less expensive; theywould all have approximately the same form, which would be of greatvalue in impregnating. An experiment will be tried during the comingyear with ties cut in this manner, to de
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectagricul, bookyear1902
