to sewer ventilation, or, tion is avoided, leakage is prevented, and the bottling is un- to relieve; thus, a nine inch drain must be provided with at the least, indifference to it; the result is indicated below. attended by violent spurts and ebullition. perforations or pipe equal to about… … drains neutralizes to a considerable extent the value of the Prof. Stolba says that many boron salts, especially those disconnecting trap. soluble in water, impart a fine green color to the alcohol or Fig. 2 shows a common arrangement of trapping drains, colorless gas flame when mixed with silico…
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