A Pyramid shaped 30 ounce blue glass soda syphon with a clear glass internal tube." T.B & C. / LTD / NEW PLYMOUTH " is etched on the glass along with a decorative banner design. " BRITISH SYPHON CO LTD / LONDON " is etched in small lettering below this. " T.B & C. L.T.D / NEW PLYMOUTH " is marked on the plated metal top. " BRITISH SYPHON CO LTD / LONDON " and " BSC " and " PAT 506943 " is marked on the other side of the top.
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