222 



ENGINEERING ON THE FARM 



crossing each other on top of the lock. A rail is laid across 

 these stakes. Such a fence is known as a rail fence with 

 stake and rider. The bottom rail is known as the worm 



Fig. 188. An old rail fence 



An old flat rail fence repaired with a barbed wire 



and is kept reasonably level by means of a block of wood 

 placed under each lock. Each panel of the fence is on an 

 angle with the preceding and succeeding panel. The width 

 of ground covered by the fence is approximately 6 feet, the 



