TREE REPAIR 



175 



disinfectant and helps to hold the filUng. Corrosive subUm- 

 ate or Bordeaux mixture may be used as a substitute for the 



Fig, 120.— The Same Cavity Troperly iilled. 



white lead paint. A coat of coal tar over the paint is the 

 next step. The cavity is then solidly packed with Ijricks, 



