DtTST CONTROL, IN GRAIN ELEVATORS 
15 
To Elevator 
Head , 
Man Noie Z eg H ead FloOff 
»: Garner Flo p/? 
^Canvas Flap 
\Gatc Opej?at/to C a hi/ as Flap- 
Scale Hopper 
Scale Floor 
Fig. 11. — Application of suction to scale hopper and garner 
