Fleta minor. The laws of art and nature in knowing, judging, assaying, fining, refining and inlarging the bodies of confin'd metals. In two parts. The first contains Assays of Lazarus Erckern ... in V books; originally written by him in the Teutonick languages, and now translated into English. The second contains essays on metallick words, as a dictionary to many pleasing discourses / by Sir John Pettus ... Illustrated with 44 sculptures.

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Fleta minor. The laws of art and nature in knowing, judging, assaying, fining, refining and inlarging the bodies of confin'd metals. In two parts. The first contains Assays of Lazarus Erckern ... in V books; originally written by him in the Teutonick languages, and now translated into English. The second contains essays on metallick words, as a dictionary to many pleasing discourses / by Sir John Pettus ... Illustrated with 44 sculptures. Public Domain Mark. Source: Wellcome Collection.