What is "aludels"

Usage examples of "aludels".

The rays of the lamps that illumed it were saffron-red like the spilt ichor of devils, and they flowed on aludels and crucibles and black athanors and alembics whereof the purpose was hardly to be named by mortal man.

And in this welter of spoiled treasure were the great conjuring books hurled amid the ruin of retorts and aludels of glass and lead and silver, sand-baths, matrasses, spatulae, athanors, and other instruments innumerable of rare design, tossed and broken on the chamber floor.