Check into the Becquerel process for making daguerreotypes Jim. THis process doesn't use the mercury vapour to develop the image, it uses light transmitted through rubylith instead. Hans On 29 Jun 2012, at 13:18, Jim Thyer wrote: > Well done James, my reading of the process says you have explained it perfectly, but I feel you can use the extra 5 words to say"Mercury vapour is very poisonous" > > For that reason I would not want to try it, unless I had a good fume cupboard, which Andy may have access to. > > Jim Thyer > > > > ----- Original Message ----- From: "James Schenken" <jds@xxxxxxxxxxxxxxx> > To: "List for Photo/Imaging Educators - Professionals - Students" <photoforum@xxxxxxxxxxxxxxxxxx> > Sent: Friday, June 29, 2012 8:34 PM > Subject: RE: Daguerreotypes > > >> http://en.wikipedia.org/wiki/Daguerreotype >> >> Clean the board, polish, plate with silver, polish again, sensitize with >> Iodine, expose, fume with mercury vapor, fix with hypo. >> >> That seems to be the process. >> >> James >> >> -----Original Message----- >> From: owner-photoforum@xxxxxxxxxxxxxxxxxx >> [mailto:owner-photoforum@xxxxxxxxxxxxxxxxxx] On Behalf Of Andrew Davidhazy >> Sent: Thursday, June 28, 2012 9:45 PM >> To: List for Photo/Imaging Educators - Professionals - Students >> Subject: Daguerreotypes >> >> Does anyone have instructions in 25 words or less on how to make a >> Daguerreotype? I was thinking that possibly copper clad board used for >> printed circuit making might be a suitable start. I wonder how much mercury >> it takes as I have just acquired on the black market several mercury >> thyratron tubes. Each contains about 20 thermometer amounts of Hg. I also >> have a couple of what are called Farrand lenses - f/.7 at 75 mm focal >> length. >> So where do I start? - sure I could look it up on the net but then we would >> have nothing to talk about here!! >> >> Andy >> >> BTW, Cunningham, Palcewski and Mitchell - hint! >
