G. E. Molau and R. T. Keller
Dow Chemical Company Midland, Michigon
Safety Gas Washing Bottle and Gas Safety Valve
conventional gas washing bottles have the disadvantagc that the washing liquid can ascend into the supldy line when an underpressure develops in this line. I'igure 1 shows a new desigri of a safety gas washing bottle in which the principle of the I
