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· This boiler has a steam and mud drum These two drums are interconnected by a bank of asymmetrical src=https:reader034vdocumentsmxreader034viewer20220510085a7156137f8b9a98538cca16html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: johnstonboilercomjohnstonboilercomwp-contentuploads201409Firetube-vs-Water · This boiler has a steam and mud drum These two drums are interconnected by a bank of asymmetrical src=https:reader034vdocumentsmxreader034viewer20220510085a7156137f8b9a98538cca16html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: johnstonboilercomjohnstonboilercomwp-contentuploads201409Firetube-vs-Water · This boiler has a steam and mud drum These two drums are interconnected by a bank of asymmetrical 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This boiler has a steam and mud drum These two drums are interconnected by a bank of asymmetrical src=https:reader034vdocumentsmxreader034viewer20220510085a7156137f8b9a98538cca16html5thumbnails10jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 11button div class=ts-image amp-img class=ts-thumb alt=Page 11: johnstonboilercomjohnstonboilercomwp-contentuploads201409Firetube-vs-Water · This boiler has a steam and mud drum These two drums are interconnected by a bank of asymmetrical src=https:reader034vdocumentsmxreader034viewer20220510085a7156137f8b9a98538cca16html5thumbnails11jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 12button div class=ts-image amp-img class=ts-thumb alt=Page 12: johnstonboilercomjohnstonboilercomwp-contentuploads201409Firetube-vs-Water · This boiler has a steam and mud drum These two drums are interconnected by a bank of asymmetrical 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