EXTRACTS AND ReSINS. QO.

filter through paper. Diftill the tindure, foprepared, to a proper thicknefs.

Purified Opium muft be kept under twoforms; one soft, proper for forming intopills; the other hard, which may be redu-ced into powder.

R E M A R K.

Proof-Spirit has been found, by experiments,to be the beft menftruum for Opium, having dif-folved nine-twelfths ofdriedOpium,—a much great-er proportion than was taken up either by reftifiedfpirit or water. A-poth.Re-p.

All Extracls fhould be frequently ftirredduring their infpiffation.

Sprinkle a little vinous fpirit on all the wa-tery Extracls of the ibfter kind.

H 2

OLEA