[Jewelry making - Article 00564] - Re: [Orchid] Etching rectifier

[shawn wagner]

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    My train transformer did not work for etching unless I pressed the
    horn button, then etching was slow etching with ospho as the mordant
    etching brass.Wonder what Im doing wrong. My etch was faster using
    radio shack ferric chloride by itself.I thought electric would speed
    things up.I want to etch brass first then silver.I know that ferric
    nitrate is used for silver and ferric Cloride is used for brass but
    can you add electric to them and get a faster etch without under
    cutting? 

thank you Shawn
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