Bui. 75, Forest Service, U. S. Dept. of Agriculture. 



PLATE VI. 



FIG. 1. MACHINE AND METHOD USED FOR TESTING SMALL BEAMS. 



FIG. 2. SEASONING CHECKS IN THE BUTT OF A TANBARK OAK LOG THAT HAS BEEN 

 SUBJECTED TO THE SEVERE TEST OF BEING TURNED UP AND EXPOSED TO THE HOT 

 CALIFORNIA SUN FOR Six WEEKS. 



