[Put the mixture into a solution of vitriol and saltpetre, and
the silver will be dissolved.]

whanne ȝe wole drawe þe toon fro þat oþir, putte al þat mixture
into a strong watir maad of vitriol and of sał pet{re}. and þe 20

[[* Fol. 16.]]

[Corrosive water and sal ammoniac will dissolve the gold.]

[*]siluyr wole be dissolued, and not þe gold: þa{n}ne ȝe haue þat
oon departid fro þe toþir / And if ȝe wole dissolue þe gold to
watir, putte þa{n}ne yn þe watir corosyue, Sał ar{moni}ac; and þat
watir wiþoute doute wole dissolue gold into watir. 24

[‘science.’]

[‘N{ota}.’]

[--How to get out of gold its Quinte Essence.--]

[Put calcined gold into distilled vinegar or purified urine;
set it in a hot sun; a film will soon rise; skim it off,
collect all such in a glass vessel till no more rise.]

The sci{enc}e to drawe out of fyn gold vta e{ss}encia is þis /
First ȝe schal reduce gold into calx, as I tolde ȝou tofore /
þanne take vynegre distillid, or ellis oold vryne depurid fro þe
fecis, and putte it in a uessel glasid; and þe liquor schal be in 28
þe heiȝþe of 4. ynchis; and þ{er}i{n}ne caste þe calx of gold, &