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Anton Mergler
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Waste-Gas Treatment And Other Accessory Devices For Furnaces
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Muffle Furnaces And Rotary Kilns
(AREA)
Abstract
17,367. Mergler, A. Aug. 18. Muffle furnaces.-In a furnace employed for hardening, the vertical side o' of the muffle is extended to the roof c, and gases from the furnace e pass down the passage p and through spaces formed between refractory blocks l supporting the muffle, and then flow as shown by the arrows to the outlet flue r.