FEARSON.-NOTE ON ANTISEPTIC TREATMENT OF TIMBER. PLATE VII. 
Photo.-Mechl. Dept., Thomason College, Roorkee. Photo by T. B. Chitrakar. 
Full cell Open Tank process —Pinus longifolia sap and heart-wood 
^ section of a sleeper, treated for 8 hours in Creosote and Earth oil, raised 
to a temperature of 73°C. dropping to 65°C. Absorption 10*3 lbs. per c. ft. 
{ To face page 71. 
