Why talk about sounds in laboratory Alchemy?
Because, deep down, laboratory Alchemy should eventually face the sound test: the final result of the third alchemical work should resonate, and the philosopher’s egg should emit sounds, modulated differently according to the growth of its mass. And then the alchemist should be waiting for a to come event.
It can be assumed it is the famous «light that is heard with the ears». No treatise on Alchemy mentions it, apart from Canseliet and his pupil Atorène.
Only hints, of course. Around a phenomenon not expected by distillation and sublimation experts. But perhaps that is not so foreign to those who work in foundries, because the world of molten metals in cooling is full of peculiar whistles.
So, all that remains to us is to investigate the world of sound. After all, Alchemy is physics, not chemistry.
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