OCR Text |
Show USING CONCRETE FOR FILLING If Properly Mixed and Put In With Extreme Care It Will Be Found Most Satisfactory. For filling cavities In trees concrete Is commonly used. If properly mixed and put In with extreme care It la very satisfactory, but It Is unyielding and If cracked by any means It Is not easily removed. A more pliable tilling till-ing Is made of ono part asplialtum to three to four parts sawdust. Moisten tho tools In crude oil. Stir the sawdust Into the hot asphaltum until the desired consistency 13 reached. Distribute the sawdust, as added, cvealy over the surface of tho vessel to avoid boiling over. Apply to the. cavities while still hot. They should be cleaned of all decayed wood and disinfected with blue vitriol (copper (cop-per sulpha'e) before filling. |