PHOTOGRAPH 859
MODIFIED MODEL SA-550 SHELF OVEN, Serial No. 610496
for drying powdered resin in trays

-maximum operating temperature: 550°F
-workspace dimensions: 44" wide x 30" deep x 60" high
-12 KW installed in Nichrome wire heating elements
-1000 CFM, 1-HP recirculating blower providing horizontal airflow
-4" insulated walls
-Type 430 stainless steel interior
-four (4) independent doors for access to workspace each opening 201/2" wide x 281/2" high
-thirty-two (32) trays 19" wide x 29" long x 21/2" deep
-digital indicating temperature controller
-manual reset excess temperature controller with separate contactors
-recirculating blower air flow safety switch
-10" diameter circular chart recorder
-weekly timer to start and stop oven
-digital timer for each compartment with start button and pilot light to indicate end of cycle