142 COCOA AND CHOCOLATE 



scrapers, which gracefully deflect the stream of material 

 to the part of the revolving floor which runs under the 

 millstones. Thus the sugar and nib are mixed and 

 crushed. As the mixture usually becomes like dough 

 in consistency, it can be neatly removed from the 

 melangeur with a shovel. The operator rests a shovel 

 lightly on the revolving floor, and the material mounts 

 into a heap upon it. 



CHOCOLATE REFINING MACHINE. 



Reproduced by permission of Messrs. J, Baker & Sons, Willesden. 



(c) Grinding the Mixture. 



The mixture is now passed through a mill, which 

 has been described as looking like a multiple mangle. 

 The object of this is to break down the sugar and cacao 

 to smaller particles. The rolls may be made either of 

 granite (more strictly speaking, of quartz diorite) or 



