Pearson—Antiseptic Treatment of Timber. 
PLATE VI. 
Pkoto-Mechl. Dept., Thomason College, Roorkee. 
Degree of penetration of Jodelite into the wood of a Boswellia serrata, b 
Finns excelsa, c Picea Monnda, d Pterocarpus macrocarpus , e Pinus 
longifolia and f Shorea robusta , after immersion in this antiseptic. 
[To face Page 67. 
