UNITED STATES DEPARTMENT OF AGRICULTURE 
| ae BULLETIN No. 676 - 
Contribution from the Forest Service 
HENRY S. GRAVES, Forester 
FOREST PRODUCTS LABORATORY, Madison, Wisconsin 
In Cooperation with the University of Wisconsin 
Washington, D. C. PROFESSIONAL PAPER : July 16,1919 | & 
THE RELATION OF THE SHRINKAGE 
AND STRENGTH PROPERTIES OF 
WOOD TO ITS SPECIFIC GRAVITY 
By 
J. A. NEWLIN, in Charge, Section of Timber 
Mechanics, and T. R. C. WILSON, Engineer in 
Forest Products 
CONTENTS 
Purpose 
Species-Locality Nc aes 
Determination of Specific Gravity 
_ Moisture Content of Test Specimens 
The Equations . - 
Application of the miguatiinte 25 5 
Appendix—Method of Deriving Eauatone A 
WASHINGTON. 
GOVERNMENT PRINTING OFFICE 
1919 
