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Of the Art of Diſtillation.
Book.5.
This fire will keep many thouſand yeares and not burne unleſſe the glaſſe be opened: but at what time ſoever that is opened it will burne.
It is conceived that ſuch a kind of fire as this was found in vaults when they were opened, which many conceived to be a perpetuall burning Lamp, when as indeed it was inflamed at the opening the vault, and the letting in aire thereby which before it lacked, and therefore could not burne. For it is to be conceived that there is no fire burnes longer then its matter endures, and there is no combuſtible matter can endure for ever.
There may be many uſes of ſuch a fire as this, for any man may carry it about with him and let it burne on a ſuddain when he hath any occaſion for fire.
A
