Aludel
one of a series of pearshaped vessels of earthenware or gl-ss, open at both ends and fitted one above the other, for recovering the sublimates produced during sublimation.
historical examples
the first cost is stated to be more than ten times greater than that of an aludel furnace, while the capacity is only 50 per cent.
scientific american supplement, no. 312, december 24, 1881 various
noun
(chem) a pear-shaped vessel, open at both ends, formerly used with similar vessels for collecting condensates, esp of subliming mercury
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