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PRÄPÄRATUM ESTA NNO.

PREPARATION CF TIN.

STAN'NUM PULVERATUM.

POWDERED TlN.

' |"^ A K E of Tin fix pounds.

Melt in an iron veffel, and ftir it with aniron rod untill a powder fioats on the furface.Take off the powder, and, when cold, pafsit through a fieve.

R E M A R K.

This powder of Tin is flightly calcined. Likethat made by granulation, and the Limatura Stan-ni, it is intended as an anthelminthic, and given tochildren from ten grains to a fcruple ; — to adults,from one dram to two or more.

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