PHOTOGRAPH 815
ROTARY HEARTH OVEN, Serial No. 660371
for preheating gears

-maximum operating temperature: 500°F
-workspace dimensions: 76" wide x 76" deep x 24" high
-72" diameter hearth constructed from angle rings with ninety (90) 13/8" wide x 73/8" long x 35/8" high slots to hold gears on edge
-hearth driven by 1/4 HP motor through gear reducer with torque limiting device; hearth indexes one position each time loading door is opened and closed
-Two (2) 2000 CFM, 2 HP recirculating blowers providing vertical downward airflow
-4" insulated walls
-aluminized steel interior and exterior
-safety equipment for handling flammable solvents