15x increase the metal exposed for 4 hours continuously at 0.5 Volt - The Etching lines are not lost, are kept clean and accurate.
EXERCISE WORKSHOP "On the table," Taller 99 , Chile
Ignacia Mesa / Etching-I (Etching)
Stage I: drawing thick lines Drawing on traditional varnish exposed to 0.5 Volt for 4 continuous hours .
Results: the engraved line is very clean and precise. Traditional protective varnish rose in some places, for which we used shellac, which was more effective.
Results: the engraved line is very clean and precise. Traditional protective varnish rose in some places, for which we used shellac, which was more effective.
Ignacia Mesa / Engraving - II (Micropunto / Aquatint)
Stage II: Reserve white traditional varnish with shellac and then exposed to 0.5 Volt for 4 continuous hours.
Results: black is not achieved, it is necessary to place the iron in the electrolytic tank for longer hours.
Results: black is not achieved, it is necessary to place the iron in the electrolytic tank for longer hours.
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