138 



THE BOOK OF THE LANDED ESTATE. 



inches. When the trucks are full of soil or gravel, they carry from six 

 to seven cwt. 



When trucks are required for the removal of manure to fields, they 

 are used of the form of the sketch, fig. 11. These trucks are in pairs, 



FIG. 11 



being coupled together very firmly ; and they can be turned in pairs on 

 the turn-table, fig. 12. 



FlO. 12. 



The sketch, fig. 12, shows the principle of Mr Grant's turn-table as 

 used for his portable farm-railway. It is made much in the same way 

 as the turn-table used for locomotive engines. It is very simple, and 

 easily worked. 



This kind of farm-tramway will be found very useful in the removal 

 of manure to the fields and root crops from the fields in wet weather, or 

 when the earth is soft. It is well known that the working of cart or 

 waggon wheels over wet land, or what may be termed " kneading" it, is 



