Re: Tin Photos
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In reply to:
Tin Photos
5/15/98
You can tell if they are "tintypes" (actually known as ferrotypes) by seeing if they attract a magnet. Tintypes, despite their name, are made of iron. The Daguerreotype image is made on a copper plate, which is non-ferrous (does not attract magnets). The dag also has an appearance much like that of a hologram. The image is only visible from a certain angle.
Tintypes are collodion images. These images are relatively stable and I do not know of any research showing they will fade in normal exposure to light that you would have indoors. If you're worried, by all means, keep them out of the light. If they are tinted or painted tintypes, the you should be concerned about exposure to light. Although there is little if any research on the subject, the tints were watercolors (organic dyes) which are very susceptible to deterioration by light. I would keep these in the dark.
Tintypes are collodion images. These images are relatively stable and I do not know of any research showing they will fade in normal exposure to light that you would have indoors. If you're worried, by all means, keep them out of the light. If they are tinted or painted tintypes, the you should be concerned about exposure to light. Although there is little if any research on the subject, the tints were watercolors (organic dyes) which are very susceptible to deterioration by light. I would keep these in the dark.Have a copy negative made of your tintype and have the lab make a black and white print processed to archival standards from it. That should last a long time.
Have a copy negative made of your tintype and have the lab make a black and white print processed to archival standards from it. That should last a long time.SteveMore Replies:
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