Valuable secrets concerning arts and trades : or, Approved directions, from the best artists, for the various methods of engraving on brass, copper or steel. : Of the composition of metals, and varnishes. Of mastichs and cements, sealing-wax, &c.
Digital Commonwealth — Sterling and Francine Clark Art Institute Library

Valuable secrets concerning arts and trades : or, Approved directions, from the best artists, for the various methods of engraving on brass, copper or steel. : Of the composition of metals, and varnishes. Of mastichs and cements, sealing-wax, &c.

[1795]

CC0 — Public Domain
Digital Commonwealth — Sterling and Francine Clark Art Institute Library
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