Boyle WorkdiariesWorkdiary 18Page 2 of 19
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it floweth the Better it is, & when the pot is taken out, keep the glass which is above <on> the pot for it is better then the first or second glass

A Pouder to separate {gold} & {silver} in the casting

{Recipe} {sulphur} {pound} i of salt {ounce} viii of {sal ammoniac} {ounce} iii of minium {ounce} i take of the[altered from 'them'] granulate {silver} & pulverise it & proceed as formerly

another way to get {silver} out of {antimony}

Set the {antimony} which containeth {silver} upon a driving pot, drive it of with {lead} as long as it goeth with silver flores, let it coole afterw[ards] set the {silver} upon a test of [capel][unclear] drive it of with fresh lead

to seperate {gold} from {copper}

{Recipe} {copper} 1 lb. or ii lb. being melted in a pot & {ounce} ii of {lead} streame it well cast it quickly in a horne or incut prepared with tallow. {Recipe} {ounce} {half} of the prepared {sulphur} {ounce} i {half} of prepared {salt} {ounce} {half} of verdigree