Art of Assaying and Refining

of the

Venetians

To which is also added

I. A small assaying book of common mining and smelting operations?
II. Special particular operations, consisting of extractions?
III. Some processes serving for the improvement of metals?
IV. A collation of the writings of FR. BASIL. VALENTINI?

In which the preparation of the so famous?

VITRIOLI PHILOSOPHORUM? Philosophers' Vitriol

is explained

And communicated to the lovers of such noble art?.

To the Library
jr

A large, decorative calligraphic flourish or paraph, featuring intricate black ink scrollwork and interlocking loops.

SAALFELD, published by Johannes Michael Gottfried?

Year 1717.