DEHYDRATION OF VEGETABLES 9 



and supports. Tray frames, also made from crate lumber, were covered with 

 galvanized screen, and 24-gauge galvanized iron sheet was used for the bottom 

 heat spreader. If metal is not available, cheesecloth may be used in making the 

 trays, and tin cans may be cut up and joined together to form a suitable heat 

 spreader. 



Dimensions and structural details are shown in the line diagrams (Figures 

 3 and 4). These diagrams are designed for work with one-fourth inch plywood or 

 similar material in which the pieces can be cut complete to size. When indi- 

 vidual pieces of wood from crates or boxes are used, the supports should be laid 

 out to size first and the individual boards nailed on to fit. The thickness of the 

 material used must be considered and allowance made when nailing the braces to 



WHOLES - i INCH 

 2 INCHES APART 



POSITION or INSIOE. 

 PART ITION 



FALSE TOP 



SHOWING FAM 

 MOUNTING 



3 HOLES -i INCH 

 2 INCHES APART 



DOOR 



NOTCHES h^s 



oO 



NAILt D ON i INCH 

 FROM TOP 



FALSE BACK 



r 



ixJ-NAlLED ON 

 OUTSIDE 



RIGHT 



SIDE 



RONT BRACES -TOP I 

 NO BOTTOM |xj»15^ 



Right side same as left side 



Runways amd braccs nailed 

 ON 0PPO31TC" To MATCH 



for Building Forced Draft Deiiydrator. 



