72 



ECONOMIC WOODS OF THE UNITED STA.TES 



Teesdale, Clyde H., and MacLean, J. D.: Relative Resistance 

 of Various Hardwoods to Injection with Creosote. Bui. 606, 

 U. S. Dept. Agr., Washington, D. C, 1918. 



Conductivi'y (p. 62) 



Hiruma, Jujiro: Experiment of the Electric Resistance in Wood. 

 Extracts from the Bulletin of the Forest Experiment Station, 

 Meguro, Tokyo. Pub. by Bur. of For., Tokyo, Japan, 1915, pp. 

 59-65. 



