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- noun Plural form of
Sorry, no etymologies found.
Plate 5, fig. B, shows another apparatus for sublimation, consisting of a sort of oven, and three detachable upper chambers, generally called aludels.
He has perhaps got so far as to know, that if he mixes charcoal and saltpetre in certain proportions and then applies fire, there will be an explosion which will shatter all his retorts and aludels; and he is proud of knowing what will in a later age be familiar to all the idle boys in the kingdom.