THE COOKING OF APPLES 97 



thinly spread. These trays are of wood with a gal- 

 vanised wire-cloth bottom, and being light they can 

 be easily handled. Two, three, or four of the trays, 

 according to the size of the machine and the article to 

 be dried, are put one on top of another inside the flue, 

 thus forming a group of trays which travel together 

 through the flue or drying chamber. 



