Archived posting to the Leica Users Group, 2005/05/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I bookmarked this one. You never know. Triple seven B&W developer is also waiting there for my retirement days. > From: Steven Keirstead <keirst@fas.harvard.edu> > Reply-To: Leica Users Group <lug@leica-users.org> > Date: Wed, 11 May 2005 12:21:41 -0400 > To: <lug@leica-users.org>, <hexarRF@yahoogroups.com> > Subject: [Leica] OT - RA4 Home Brew formulae > > Hi to those who are fellow color darkroom enthusiasts, > > I added a couple new technical pages to my site. The first has > formulae for RA4 roller transport compatible Developer and Blix. If > you are tired of having commercial kits go bad in storage, or simply > having a hard time getting kits because your local camera store has > become a computer and peripheral shop, see: > http://www.people.fas.harvard.edu/~keirst/technical.html > > Also I have a second page for Jonas Palm's Room Temp RA4 developer > from which I derived my formula. See: > http://www.people.fas.harvard.edu/~keirst/technical-jp-dev.html for > his original recipe. I have not actually tried it because I have a > roller transport processor, and so I don't do any development at room > temp. > > Most of the chemicals are available from > <http://www.artcraftchemicals.com/>Artcraft Chemicals. I get > Etidronic acid, Diethylhydroxylamine and Triethanolamine from > <http://www.sigmaaldrich.com/>Sigma-Aldrich Chemicals. > -- > Steve Keirstead Photography, Website: > http://www.people.fas.harvard.edu/~keirst/ > > Steven Keirstead Photography > 148 Worcester St. #5 > Boston, MA 02118 > > Work Phone: (617) 495-2683 (Harvard University Biology Teaching labs) > Home Phone: (617) 247-8164 > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >