140 



THE BANANA 



obtain the maximum drying effect, the air can be further 

 circulated by means of a large fan placed near the roof of 

 the building. 



The temperature of the incoming air can be regulated 



a Heater, using Coke 



or other Fuel 

 b. Blackman Fan for 

 circulating Air. with 



driving pulley outside 

 c.Pivoted Flap, controlling 



quantity of Air admitted 



or discharged 

 d. Hinged Access Poors 

 e.Tray* on which Produce 

 ts spread 



FIG. 10. PLAN AND ELEVATION OF DRYING HOUSE, WITH SHELVING 

 FOB USE WITH BLACKMAN 'S FANS AND HOT AlB 



by means of the valve provided under the heaters, whereby 

 a certain amount of cold air can be mixed with, and so 

 temper, the hot air entering the room, depending on the 

 amount of opening. Further control is obtained by a 

 second opening provided in the end of the rooms opposite 

 to the fans. 



