The use of gun blue on brass will give a brownish-black finish. Test it on a scrap of brass and see if it's what you want.
> [Original Message] > From: Mark Lynch <[email protected]> > To: Antique Phonograph List <[email protected]> > Date: 11/13/2008 10:04:39 PM > Subject: [Phono-L] Help with Opera/1B Mandrel Finish > > > Greetings, > > Does anyone here have experience recreating the brownish-black finish found > on the Edison Opera and Amberola 1B mandrel? > > It appears to be a chemical finish on the brass surface as opposed to a > plated finish. > > I'd be most grateful to talk to someone who has first-hand experience or > can refer me to the right person. > > Best Regards, > Mark > Silver Spring, M > > _______________________________________________ > Phono-L mailing list > http://phono-l.oldcrank.org
