126 



PRELIMINARY WORKS. 



the whole, for sylvicnhunil purposes, wire fences with wooden 

 supports are probably more suitable than any other kind. 



Fig. 10 represents a fence consisting of wooden supports, 

 with six wires so arranged as to keep out horned cattle, horses 

 and sheep ; height 4 feet, a - - - a shows the surface of the 

 soil ; h and c the two end or straining posts of a section, which 



O/ 



J 



d 



iw^ u 



Fig. 10. 



should not be further apart than ()00 feet ; d, d represent 

 intermediate thinner posts, placed from 5 to 10 feet apart ; h 

 and r have each six holes bored into them. At h the ends of 

 the wires are passed through these holes, bent round the post, 

 and fastened securely to the wires at c. At the other strain- 

 ing post, c, the wires are strained and fastened by various 



contrivances, one of which is shown in tbe illustration. It 

 consists of a screwed eye-bolt not less than 12 inches long. 

 The end of the wire is fastened to the eye of the bolt (Fig. 

 11, a), and the latter passed through the hole in the straining 

 post. On th(^ other side a nut. h, is screwed on after lirst 

 inserting a plate or washer, r, to prevent the luit from cutting 

 hito the wood. J3y turning the nut sufficiently the wire 



