Casebooks

first take ☉ in thin plates. \on once. & of sulphur two or thre./ & lay stratū su stratū first of sulphur & then of the plates. vntill the pot be full. thē make a cover for the pot w^ch lute close but let it have on litle hole in the {illeg} mydle of the cover that it may breath out set it in a Cementing fier vntill all the sulphur be bunt {sic} away quite. then beate all into pouder. then calcine it agayne. afterward y^t is calc so calcined againe boyle it in seething hot water vntill it colour it & so pour on fresh so long as it shall colour the water then vapour away the water after it is filtred vntill it fall into a skim, then let it stand & it will shoote like a vitrioll & what doth not turne into vitrioll, calcine againe as before & beate it into pouder & dissolve it in to water as before vntill it {sic} \all of it/ be turned in vitrioll. & of thre ounces of ☉ you shall have 8 ounces of vitrioll. by reason of the water y^t is put to it). then {illeg}|o|f this vitrioll thus calcined draw accoding {sic} an oyle w^ch will never after become a body.

M^r Bromell wrought it w^th his owne hands w^th ♀. & also w^th ☾ severally & it will grow sharpe as all other vitriols doe. then will remayne albeing done caput mortuū y^t is y^e feces w^ch being well calcined will yeld a salt & thre gryanes {sic} of y^t salt is rare physick. w^ch will boath vomyt purge & sweate by & b|v|oyd vrine & all as mutch as needes & no more/ Bromell March 25. 1612