stos. bottom of the vessel is provided with a flat surface at The plates F and G@ are perforated to provide escape the center, to permit its resting conveniently on the for the gases generated. The fiber wall serves to me- top of the range; but the outer portion of the bottom chanically assist in… … AN IMPROVED FORM OF REINFORCED CONCRETE PIPE. COMBINED WATER HEATER, FILTER, AND COOLER. carbon tetra-chlorid and the zinc deposited on the negative electrode is combined therewith to again tions are shown ready to be welded. The inner lin- portion. By means of this construction the dripcocks form…
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