he lives on the train, grain that the freight cars be provided with an inner broken away to expose the interior details. It will be and the air is vitiated by the cinders and gases so or auxiliary door to form an extra tight closure and noticed that the firebox is surrounded by a water cham- that… … HEATER AND BOILER. IMPROVED GRAIN DOOR. to take up all wear from the friction of the flanges. As the smokestack passes along the flanges, the sec- prevent leakage of the grain. A door of this sort is several turns of tubing in each coil are laid in close tions yield successively before the advance…
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