[alt-photo] Re: Disappearing Daguerrotypes

[Michel Debar]

It may be worth reading the following paper, presenting a picture that is
somewhat less dark than presented by Scientific American :

http://britishphotohistory.ning.com/profiles/blog/show?id=2680769%3ABlogPost%3A57160&commentId=2680769%3AComment%3A56884&xg_source=activity

It is written by Mike Robinson, Mike Robinson, President of the Daguerreian
Society
-- 
Michel Debar
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