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An Improved Method for Steel-Facing Copper Etching Plates

Omri M. Behr
Leonardo
Vol. 30, No. 1 (1997), pp. 47-48
Published by: The MIT Press
DOI: 10.2307/1576375
Stable URL: http://www.jstor.org/stable/1576375
Page Count: 2
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Abstract

The number of prints that can be made from acid or dry point etched copper plates can be substantially increased by electro-deposition of iron onto the surface of the plate. This process is traditionally, but incorrectly, known as steel facing. Using the Electroetch processor at 2 volts and with about 50 gm/l of aqueous sal ammoniac instead of at 6 volts with 225 gm/l gives excellent coating without the need for the operator having special skills.

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