Second of a planned series of mill studies to test the adequacy of a log grading system for species associated with ponderosa pine, the study reported was made with the cooperation of Stilwell-Pengilley Lumber Company, under the direction of a committee representing participating agencies, namely:
Bureau of Indian Affairs
Bureau...
Improving existing and developing completely new products is an important part of maintaining a healthy business. This document outlines key principles of new product development, illustrated through the activities of a small sawmilling company.
For the sample of wide-ringed Douglas-fir discussed in this report, the relationship between specific gravity and percentage of summerwood is linear over a range of 16 to 60 percent summerwood content of the annual ring. The specific gravity of the summerwood and springwood portions of 96 dissected annual rings is...
In these tests, phenolic constituents from bark of Shasta red fir were found ineffective as stiffening agents for corrugating medium. Other means of application, however, may be effective.
Gum from inner bark of Shasta red fir was not so effective as a beater additive as was locust bean gum, but...