Simple Preparations. 8i

Wedgewood's manufafture are by far the rnoll pre-ferable.

Burnt Sponge is given in dofes of a fcruple, ormore, in fcrophulous complaints.

STYRACIS PURiFICATIO.

The Pürification of Storax.

Diffolve the Storax in reftified fpirlt ofwine, and ftrain thefolution : afterwards re-duce it to a proper thicknefs with a gentleheat.

R E M A R. K.

Storax totally diffolves in fpirit of wine, fo as topafs through the nitre, the impurities alone beingieft. L.

The College have left to the Operator the modeof recovering it, in a folid form, from its folution,either by gently diftilling off the fpirit, (which,Lewis fays, will elevate very little of its flavour,)or waftingit by evaporation.

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