Domestic use soda syphonA heavy glass bottle with a weighted base, fluted sides, an etched label on the side and a metal syphon attachment at the top.W. Whittaker & Sons. W.W & Sons DUNOLLY British Syphon Co. London No. 762/(metal syphon) E. Rowlands. Proprietary Limited British Syphon M.F.G.Co Ltd LONDONbottle, beverage, syphon, glassware, sodawater