Bui. 801. U. S. Dept. of Agriculture. 
PLATE XXI, 
Fig. I. — A Monitor which Serves as an Excellent Source of Light and 
Ventilation for the Compress Compartment. 
It should not be used within 50 feet of fire walls except when the monitor is of fire-resistive 
construction. 
Fig. 2. — The Metal Frame Skylight Affords One of the Best Means of 
Lighting the Storage Compartment. 
Note the ventilation provided in the end. 
