Boyle WorkdiariesWorkdiary 31Page 3 of 3
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Into a kind of hepar then powder it finely & put to it 4 times its weight of acetum Minerale which will draw a very red tincture from it cohobate this aliquoties'o' altered from 'e' & it will deleted the hepar will be dissolvd & cease to be inflameable.

{Recipe} {pound} i of agstein with a slow fire draw from it t deleted about 3 quarters of deleted or {ounce} 12 take all that is ellevated (the {caput mortuum} being useless to our purpose & puting it into another Retort distill it over againe per se 12 or 14 times seperateing at each time <& casting away the> the deleted phlegme but haveing a great care in all these cohobations that you never distill off above 2 parts of 3 at furthest for if <once> the remaines should at any be deleted burnd they would be reduced into a kind of Cool deleted Cole not to be dissold deleted dissolvd by the same liquor or to deleted (thô it may be by acetum Minerale) soe that heareby the operation would be spoyld which if well made would unite all the usefull parts of the concrete into a noble mass whereoff a small pill deleted pill will prove very anodyne safe and benefitiall.