110 / | HD | FURNACES |
235 | DF | REFUSE INCINERATOR {17} |
255 | .~ With means for advancing or handling refuse or residue {4} | |
256 | DF | .~.~> Means for feeding through chimney |
257 | DF | .~.~> Continuous advance |
258 | DF | .~.~> Refuse agitating |
259 | DF | .~.~> Residue handling; e.g., ash, etc. |