I36 S A L T S.

Cryftals of Tartar three pounds.

Diftilled Water, boiling, one gal-lon.

To the Salt, difiolved in water, throw ingradually the cryftals of Tartar, powdered:filter the liquor, when cold, through paper jand, after due evaporation, fet it by to cryf-tallize.

R E M A R K.

This is the 'Tartarum Jolubile of the former Dif-penfatory, and given to adults, from half an ounceto an ounce, as a mild purgative.

NATRON TARTARISATUM.

Tartarised Natron.Take of Natron twenty ounces by weight.

Cryftals of Tartar, powdered, twopounds.

Diftilled Water, boiling, tenpints.Diffolve the Natron in the water, and gra-dually add the cryftals of Tartar. Filter the

liquor