div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=johnstonboilercomjohnstonboilercomwp-contentuploads201409firetube-vs-waterpdfhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: johnstonboilercomjohnstonboilercomwp-contentuploads201409Firetube-vs-Water · This boiler has a steam and mud drum These two drums are interconnected by a bank of asymmetrical loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsmxreader034viewer20220510085a7156137f8b9a98538cca16html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=johnstonboilercomjohnstonboilercomwp-contentuploads201409firetube-vs-waterpdfhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: johnstonboilercomjohnstonboilercomwp-contentuploads201409Firetube-vs-Water · This boiler has a steam and mud drum These two drums are interconnected by a bank of asymmetrical loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsmxreader034viewer20220510085a7156137f8b9a98538cca16html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=johnstonboilercomjohnstonboilercomwp-contentuploads201409firetube-vs-waterpdfhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: johnstonboilercomjohnstonboilercomwp-contentuploads201409Firetube-vs-Water · This boiler has a steam and mud drum These two drums are interconnected by a bank of asymmetrical loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsmxreader034viewer20220510085a7156137f8b9a98538cca16html5thumbnails3jpg width=140 height=200 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steam and mud drum These two drums are interconnected by a bank of asymmetrical loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsmxreader034viewer20220510085a7156137f8b9a98538cca16html5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=johnstonboilercomjohnstonboilercomwp-contentuploads201409firetube-vs-waterpdfhtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: johnstonboilercomjohnstonboilercomwp-contentuploads201409Firetube-vs-Water · This boiler has a steam and mud drum These two drums are interconnected by a bank of asymmetrical loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsmxreader034viewer20220510085a7156137f8b9a98538cca16html5thumbnails6jpg width=140 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boiler has a steam and mud drum These two drums are interconnected by a bank of asymmetrical loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsmxreader034viewer20220510085a7156137f8b9a98538cca16html5thumbnails8jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imageimg data-url=johnstonboilercomjohnstonboilercomwp-contentuploads201409firetube-vs-waterpdfhtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: johnstonboilercomjohnstonboilercomwp-contentuploads201409Firetube-vs-Water · This boiler has a steam and mud drum These two drums are interconnected by a bank of asymmetrical loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsmxreader034viewer20220510085a7156137f8b9a98538cca16html5thumbnails9jpg 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johnstonboilercomjohnstonboilercomwp-contentuploads201409Firetube-vs-Water · This boiler has a steam and mud drum These two drums are interconnected by a bank of asymmetrical loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsmxreader034viewer20220510085a7156137f8b9a98538cca16html5thumbnails11jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imageimg data-url=johnstonboilercomjohnstonboilercomwp-contentuploads201409firetube-vs-waterpdfhtmlpage=12 data-page=12 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC 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