Guide to the grading of structural timbers and the determination of working stresses
By: by T.R.C. Wilson.
Series: Miscellaneous publication / United States Department of Agriculture -- no. 185; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 185.
Publisher: U.S. Dept. of Agriculture
Published: 1934
Place of publication: Washington, D.C
Language: eng
Number of pages: 26
Subjects: Timber -- Grading -- United States.; Wood -- Testing.
Notes: Caption title.

"February 1934."

Bibliography: p. 26.