PHOTOGRAPH 834
MODIFIED MODEL SA-550 SHELF OVEN, Serial No. 610480
for drying trays of ore samples

-maximum operating temperature: 550°F
-workspace dimensions: 50" wide x 30" deep x 54" high
-12 KW installed in Nichrome wire heating elements
-1000 CFM, 1 HP recirculating blower providing horizontal airflow
-4" thick insulated walls
-Type 430 stainless steel interior
-Three (3) tiers of seventeen (17) shelf supports on 3" vertical center to hold stainless steel pans
-digital indicating temperature controller
-manual reset excess temperature controller with seperate contactors
-recirculating blower air flow safety switch