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  • Welcome to the new site. Here's a thread about the update where you can post your feedback, ask questions or spot those nasty bugs!

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  1. C

    Relearning Alternative Processes - Botanical Cyanotypes

    An interesting chemistry invented (for the most part) by John Hershel somewhere in the neighborhood of 1842 consisting of equal parts of Ferric Ammonium Citrate and Potassium Ferrocyanide. If you've ever seen a blueprint and you have if you've ever built a house, then this is essentially the...
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