336 AMERICAN GRAPE CULTURE. 



Some good mode of tightening the wires has 

 always been a desideratum ; indeed, the trouble 

 and vexation of doing this has deterred some 

 from using a wire trellis. There are two or 

 three plans that will accomplish the purpose ; 

 but we are enabled to present one so simple and 

 effectual that it will be unnecessary to describe 

 any other. It consists only of an iron pin with 

 a square head, as shown at A in Fig. 132. It 



Pig. 132. 



should be about six inches long and half an inch 

 in diameter, or about the size of a common bed 

 screw. About two inches from the end it should 

 have a small hole pierced through it for holding 

 the end of the wire. It can be readily and 

 cheaply made by any blacksmith. The pin is 

 driven into the post about half its length, as 

 shown at B, which is a section of the post. 

 The pin being driven into the post, the wire 



