For drying, baking, annealing, conditioning, sterilizing, evaporating, and dehydrating. Factory-tested. Sturdy welded steel construction. Ample insulation. Two nickel-plated shelves adjustable at 12.7 mm (0.5") increments. Thermostatically controlled with damper-controlled, gravity convection air circulation. Red pilot light indicates heater action. Graygreen, hammerloid, baked enamel finish.  Three-wire cord and plug standard. Inside dimensions: 30w x 25d x 25h cm (11.8 x 9.8 x 9.8"). Outer dimensions: (19h x 14w x 12d). Temperature range is ambient to 200°C Control is ± 15°C. W. Grieve.