How an Alcumister cousoned a priest.

Chaucer in one of his Canterbury tales, rehearseth this test of a cousoning Alcumist: espying on a day a coueteous priest, whose purse he knew to be well lyned: assaulted him with flattery and kinde speech, two principall points belonging to this art: at length he borrowed mony of this priest, which is the third part of this art, without the which the professors can doe no good, nor endure in good estate: then he at his day repayed the mony, which is the most difficult poynt in this art, and a rare experiment: finally to requite the priests curtesie, he promised vnto him such instructions, as therby within short time he should become infinitely rich, and all through this art of multiplication: and this is the most common point in this science, for heerein they must be skilfull before they be famous or attaine to any credit: the Preist disliked not his proffer, especially because it tended to his profit, and embraced his curtesie: then the foole-taker bad him send forthwith for three ounces of quicke-siluer, which hee said he would transubstantiate (by his art) into perfect siluer: the Priest thought nothing of deceit, but with great ioy accomplished his request.

And now forsooth goeth this iolly Alcumist about his busines, and worke of multiplication, and causeth the Priest to make a fire of coles, in the bottome whereof he placeth a croslet, and pretending onely to helpe the Priest to lay the coles handsomely, he foysteth into the middle ward or lane of coles, a beechen cole, within which was conueyed an ingot of perfect siluer, (which when the cole was consumed slipt down into the croslet, that was I say directly vnder it.) The Priest perceaued not the fraud, but receaued the ingot of siluer, and was not a little ioyfull to see such certen successe proceed from his own handy worke, wherein could be no fraud (as he surely conceaued) and therefore very dilligently gaue the knaue forty pounds, for the receit of this experiment, who for that summe of mony, taught him a lesson in Alcumistry, but he neuer returned to heare repetitions or to see how hee profited.