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Some studies of spiral grain



Some studies of spiral grain



Proc. 14th Congr. Int. Union For. Res. Organ., Munich Pt. IX, Sect. 22/41, 1967. 470-83



Summarizes recent investigations in the U.S.A. on the detection of spiral grain (s.g.) in standing trees, spirality and twist in Larch poles in use, occurrence of s.g. in poles, relation of s.g. to pole twist, s.g. classification and effect of s.g. on the value of lumber recovered.

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Accession: 014677028

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