284 CHARCOAL MANUFACTURE. 



they come to the end of the first layer, and so on a second, third 



Fig. ll. 



and fourth layer, until the kiln is completed (as shown in fig. 12). 

 Cover in the whole kiln with turf, turning the grass side in- 



Fig. 12. Section of one-half of the Kiln. 

 Wards, commencing from the bottom ; after which throw a small 



