Posted on March 4, 2022March 4, 2022 by Dale Phillips Adirondack Spruce Growth Rates and Accessibility Adirondack Spruce Growth Rates and Accessibility by Ralph S. Charles III Originally published in American Lutherie #81, 2005 and Big Red Book of American Lutherie Volume Seven, 2015 With a day job in the forestry and logging industry, I know a little something about wood. After thirty years of selling saw logs and pulpwood for a living, I thought that a move into the tonewood business would be a natural transition into retirement. Membership in the GAL, however, has uncovered a realization that some luthiers may appreciate my perspective on tree growth rates in general, and Adirondack spruce in particular. The grading of wood for instrument tops takes into account at least the following considerations: evenness of grain, straightness of grain, tightness of grain, color or discoloration, location or lack of knots, figure, heavy grain lines, pitch pockets, foreign objects (bullets and barbed wire), closeness to quarter and runout, and stiffness. The following discussion is directed at the evenness and tightness of grain which are a direct result of the laying down of the annual growth ring. Become A Member to Continue Reading This Article This article is part of our premium web content offered to Guild members. To view this and other web articles, join the Guild of American Luthiers. Members also receive 4 annual issues of American Lutherie and get discounts on products. For details, visit the membership page. If you are already a member, login for access or contact us to setup your account.