400 



THE TIMBERS OF THE WORLD 



temperatures and humidities being maintained in each zone. With this, 

 however, the ease of working attainable with a progressive dryer is 



HEATER 



r if^ 



CIRCULATING FAM 



- HEATERS 





\^^ 



,Q\^ 



^ 



t^ii 





^y 



^0 



^ 



^ 



^ 



^ 



CS f^ 13^ ^D l!n ^3 G5 I f^ (fe CD r^ C3 O O I ITl C3 IS ID Ob C3 G3 



^/^y^/.v////.v/.'.'.'.v///.-;-. /////. . .///.■.'.'.■■-/,'////>///. .V. .: 



o 

 o 



PLAIi OF 



ThRELZQML KILM. 



TIMBER ON TRUCKS IS GIVEN A PE.RIOD FIRST IN THE MOIST 

 ZONE. THEN m THE WARM S? FINISHED IN THL HOT ZONE 



missed, without gaining the advantages of a properly designed compart- 

 ment dryer. 



