Investigation has been made of permissible range of size (cross-section) of false heart wood in beechwood ties and some of physical as well as mechanical properties of beechwood. (In Japanese.)
Beech wood as railway sleepers
Japanese Gov. Railways -- Bul
Japanese Government Railways -- Bulletin ; 19 , n 16
1931
35 pages
Article (Journal)
Japanese
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The use of beech wood for railway sleepers
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