Chap. XXV.] IMPLEMENTS USED IN FRENCH GARDENS. 447 



walls. It -will save much labour, and make walls or permanent 

 trellises for fruit-growing far more agreeable to the eye and useful 

 to the cultivator than ever they were before. There are various 



Key oj Raidisseur. 



forms which need hardly be described, as they are so well shown 

 in the accompanying cuts. The first is a reduced figure of one 

 about three inches long. The engraver has placed it in the best 



CollignoiCs Raidisseur. 



c 



side View of Collig7ton's Raidisseur. 



position to show its 



structure. The wire 



that passes in through 



one end is slipped 



through a hole in the 



axle ; the other end is 



attached to the tongue, as shown in the engraving, and then by 



the aid of a key, placed on the square end of the axle, the whole 



is wound much as a violin-string is wound round its peg. The 



first form figured is 

 very much used in 

 I — " the best gardens, and 

 seems to do its work 

 effectively. The next 



Eaidisseur here figured is that invented by M. CoUignon and 



recommended by M. Du Breuil. It does not difi'er much from 



the preceding. D shows the point of insertion of the wire that 



has to be tightened; B the 



fastening of the other end of 



the wire ; and A the head on 



which the key is placed. The 



foregoing kinds are, like the 



wire, galvanised. The best 



of these tighteners cost but a 



few pence; but even if they 



were not cheap, it would still be profitable to employ them, 



in view of the great saving they effect, by allowing the use 



Thomery Raidisseur. 



