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PRÄPARAT A EXHYDRARGYRO.

PKEPARATIONS OF QUICKSIL-VER.

; *.

HYDRARGYRUS PURIFICATUS.

PüRIFIED QuiCKSILVER.

np A K E of Quickfilver,

Filings of Iron, of each fourpounds.

Rub them together, and diftill from an ironveffel.

R E M A R K.

If a retort is made ufe of, the neck fhould beconfiderably inclined downwards, and the receiverbe filled, almoft to the neck of the retort, with cold

water,