72 ELECTRICITY IN AGRICULTURE & HORTICULTURE. 
These advantages of the new machine are so great, 
especially No. 1, that the superiority of this new type of 
apparatus is fully proved, and its use justified. 
To prevent mistakes and subsequent trouble, it will 
always be best to order the machines and the necessary 
tools from an actual manufacturer, and to have the installa- 
tion made by skilled workmen. Everything naturally 
depends, in so new an application, upon the skilful first 
installation and thé subsequent careful use of the mechanism 
and the materials employed. 
