Wylde fire, saltgem, salte peter eke:
Salte armoniake, salte Alchime,
Salte commune, and salte Arabecke.
Salte niter mixid with the rest,
In these fowre tunnes by portions right:
Fowre welles to laye them in were dreste,
Wherin they boyle both daye and night.
The water springes them round about,
Doth ryse for aye and boyleth stil:
The tunnes within and eke without,