On 14 Dec 2007, at 08:53, Malin Fabbri wrote:
See the references to Henri de Lacaze-Duthiers in my previous post; to which may be added this excellent article:Wow! Is there someone who actually has printed a photograph with this process? Can it be seen somewhere?
Edward Eigen, 'On Purple and the Genesis of Photography - or the Natural History of an Exposure', in 'Ocean Flowers: Impressions from Nature' Eds. Carol Armstrong and Catherine de Zeger, (The Drawing Center NY and Princeton University Press, 2004).
This book is exquisitely illustrated - including 'mucotypes'.
It seems that the 'First Photogram' was made by this process in 1711 - but it's author, René Antoine Ferchault de Réaumur (1683-1757), didn't realise the cause was photochemical, so missed out on being the inventor of photography. There's also a report by a Brit, William Cole, on a photogenic "purple fish" in 1685, who might have precedence.
For the considerable revival of interest in gastropod dyes, because of their scriptural significance for Jewish ritual vestments; see:
I live as far from the sea as it's possible to be in these Islands.
I was hoping that a coastal-dwelling List Member with a wet suit might give it a try...