Lewis, J. Sydney · London, T.W. Laurie ltd.; Philadelphia, Lippincott · leaf 86
e already suggested thatthe fusion of the air-twisted stem, in order tojoin it to the bowl, not unfrequently resulted indamage to the twist. It was an obvious solutionof the difficulty to draw the stem out fromthe surplus molten metal at the base of thebowl. If, previously, a series of…
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