Aludel

Aludels, in ancient chemistry, are subliming pots. The term refers to a range of earthen tubes, or pots without bottoms, fitted one over another, and diminishing as they advance towards the top. The lowest is adapted to a pot, placed in a furnace, wherein the matter to be sublimed is lodged. At the top is a head to retain the flowers, or condensation, which ascends.

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In alchemy was used as a condenser in the sublimation process and thus came to signify the end-stages of transformation and the symbol of creation. Also called the Hermetic Vase, the Philosopher's Egg, and the Vase of the Philosophy.

See also

• Sublimation
• Flower

This article incorporates content from the 1728 Cyclopaedia, a publication in the public domain.