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ENGINEERING ON THE FARM 



1 7 . Thaw frozen dynamite slowly and use a thawing can 

 with warm water. Never thaw in an oven or near an open 

 fire. 



USE OF DYNAMITE ON THE FARM 



Stumps. In general, dynamite has been found to be 

 the best agent for the removal of stumps because it not 

 only loosens them from the ground, but breaks them up, 

 frees them from earth, and makes them comparatively 

 easy to pile and burn. For blowing a stump with taproot, 

 the best results can be secured by the method of boring 



CLAY 

 TAMPING 



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:•••"•••.••.'• 

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After E. I. du Pont de Nemours & Co. 



Fig. 169. Placing the charge in stump with tap root 



into the root and placing a charge near its center (Fig. 

 169). A small stump in fairly solid ground may be removed 

 by a charge placed directly under the center. A large 



