Section 14
Chapter 13,921

Warping in preservative-treated transmission poles.

Burger, H.

Mitt. schweiz. Anst. forstl. Versuchsw 29(2): 177-188


Accession: 013920665

Transmission poles in Switzerland are usually of Spruce or Silver Fir, treated, before barking, by the Boucherie method. As the author has already shown the grain of these species is almost always twisted from right to left in youth, then often becomes straight, and finally turns from left to right.

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