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Filtering by: Subject Wood -- Discoloration Creator Hansbrough, J. R. (John Raymond), 1903 1990 Resource Type Technical Report

The significance of the discolorations in aircraft lumber : Sitka spruce

Creator:

Hansbrough, J. R. (John Raymond), 1903-1990, Englerth, George H. (George Henry), 1907-1991, United States. Division of Forest Pathology, and Forest Products Laboratory (U.S.)

Abstract:

A survey was made of the discolorations occurring in Sitka spruce wood, and toughness tests were made on specimens that included discolorations of unknown or doubtful significance.

Resource Type:

Technical Report

Full Text:

indicative of decay. Each of these types of discoloration was investigated and the discolored wood was
The significance of the discolorations in aircraft lumber : noble fir and western hemlock

Creator:

Englerth, George H. (George Henry), 1907-1991, Hansbrough, J. R. (John Raymond), 1903-1990, United States. Division of Forest Pathology, and Forest Products Laboratory (U.S.)

Abstract:

A survey was made in Oregon and Washington of the discoloration occurring in noble fir and Western hemlock wood, and the present data are presented as an aid in the inspection of these woods for aircraft and other high-grade lumber. Recommendations, based on strength tests of similar discolorations in spruce...

Resource Type:

Technical Report

Full Text:

discoloration of the sap- wood, Occasional in noble fir and Western hemlock. 3ro-m staks, bands or zon