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Muffles & Retorts. Belt furnace with muffle and preheat retort. Retort. Keith can fabricate most any size and Muffles are used as an inner chamber on pusher kilns and belt furnaces, where the goods are placed into a boat or on a belt and then transported through the furnace in a defined atmosphere. Muffles need very
Muffle kiln, Furnivals, Elder Road, Cobridge, Stoke-on-Trent Charlie Boardman emptying the ash pit after a firing. Photo: Courtesy of Jenny Ward (Thank you Jenny!) Date: 1930s
muffle kiln, A fuel-burning kiln in which flames and combustion gases are ducted through sealed refractory flues within the ware chamber, heating the wares while maintaining a clean oxidizing atmosphere. Source: Clay: A Studio Handbook.