240 



HOPS-. 



latter enters the free space on the charging side, and, as 

 shown by the arrows, passes between the frames in the 

 column to the space on the opposite side, whence it escapes, 

 through the cowl at the top. To foirce the air to follow this, 

 sinuous course instead of simply ascending through the 

 column, the canvas forming the bottom of the frames is 



Pig. 68. 

 The Heijak kiln for small growers. 



Fig. 69. 

 The Loschner hop kiln. 



coated on the under side with paint impervious to air. The 

 kiln is loaded and unloaded, each storey by itself, and a hoist 

 is provided to raise the green hops to eaCh floor and remove 

 the dried charge taken from the kiln. A single charcoal fire 

 is often used. The work is intermittent, and the output of 

 the kiln varies between four and eight cwt. of dried hops per 



