Tractatus 22rTo put a wey heer
// Mak strange lye & tak .1. dischful & kast þerto 1. handful
of quyklym vnqueynchid & boyle hem to gedre þe space
of an hour þanne gadre out with thyn handis þe gretest
of þe lym. þanne set it ouer þe fier & tak half an vncia of
orpement grunde in to smal poudir & kast in to þat
lye & boyle hem togedre til it tak a wey þe plume
of a fedre whan þow puttist it þerin for þat is
þe asay þerof/ thanne tak it of þe fier & tak þe thikke
feces and anoynte þer þe nedil & let it ly þe space
of quarter of an hour or more & with a dry lynen
cloth stryke it awey with þe heer fayr & clene.
// Ad seperandum aurum ab argento vel alio metallo. si aurum
fuerit mixtum cum argento vel alio metallo. funde
illud in crusibolo & cum fuerit bene calidum & currens
mitte super ab vna parte crusiboli partem sulphuris in-
tegri vel pulverizati & sulphur trahet aurum in
vnum granum ad se.
To make Borace./
Ad faciendum Boracem quam aurifabri vtuntur. Recipe
frumenti vncie .4. & pone infra aquam donec putrefiat
& florescat. postea tere in mortario cum vna vncia
tartare & vncie .2. thuris. & vncie .2. aluminis de glas
incorpora totum insimul / postea pone in fimo equino
per quatuor dies in vitro & erit borax./