Digitalfire will shut down on June 26. I no longer have the authority to grant exemption to a section in the Terms and Conditions of using material in the Insight-Live account from which I built the source material. While there are ways to comply with the take-down order, they are beyond my means because of how complex and large the site has become in the past 35+ years. It has been a wild ride for a shy prairie boy, thanks to everyone for your support. Insight-live.com is not affected by this.
How to find them, duplicate them and develop them within your account at insight-live.com
You can also watch this at Screencast-o-matic.com
In this short video I will find a copper blue recipe in John Britt's book, open it, duplicate it, change the status of several materials and turn chemistry calcuation on.

This picture has its own page with more detail, click here to see it.
Glazing and Firing at Cones 4-7
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