After a brief search I found a beach on Mull which had some unusual rock formations, these would polish the shells on the beach to a finish I hadn't seen elsewhere. I selected the most interesting and photographed them, printed on to acetate sheets, and exposed with direct sun light (we had a great summer in 2010!) for between 1 minute 10 seconds and 3 minutes 30. Here's the process.......
Exposure photo on acetate
Exposure acetate fixed to Solarplate, exposure 1 minute and 20 seconds
The exposure starting to show through under warm water
Washing out the Solarplate
Second exposure to fix the plate
Ready for printing....
And finally, The print!
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