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MAGNESIA.

MAGNESIA.

MAGNESIA ALBA.

White Magnesia.

'Tp A K E of bitter purging Salt,

Kali, of each two pounds.Diftilled Water, boiling, twen-ty pints.

Diffolve the bitter Salt and the Kali fepa-rately in ten pints of water, and filter throughpaper; then mix them. Boil the liquor alittle while, and ftrain it whilft hot throughlinen, upon which will remain the whiteMagnesia i then wafla away, by repeatedaffufions of diftilled water, the vitriolatedKali.

REMARK.