Wood preservers note progress in increasing life of ties and other wood in railway service; review of committee reports; use of treated timber in construction; why tie renewals on Lehigh Valley are small. (see also Ry. Eng. and Maintenance, vol. 27, no. 2, Feb. 1931, pp. 134-136, 2 figs)
Giving permanency to timber
Ry. Age
Railway Age ; 90 , n 6
1931
4 pages
Aufsatz (Zeitschrift)
Englisch
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