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C.Banks

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    : Canada
  • Interests
    bricks, burners, fire and clay

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  1. That eutectic calculator looks very interesting. I can see how it would make some results easier to understand in conjunction with a UMF chart. Maybe with enough information even a somewhat dim bulb can get the bigger picture. I always like the idea that a gazillion monkeys could write Shakespeare too.
  2. Daniel De Montmollin's work is only fairly recently getting the credit it deserves. This being said ..."melting diagrams ... are not easy to find and hard to understand for the layman (aka potter)." https://wiki.glazy.org/t/the-practice-of-stoneware-glazes-d-de-montmollin/860 iirc the chart designed by Ray Thomas Stull was also originally intended for ^11 but does indeed have value for mid range glazes. The folks working to incorporate the two are waay more technically orientated than me but I imagine there is useful overlaps between stull charts, fuse diagrams and cone 6 limit formulas.
  3. Some folks trying to herd squirrels over at glazy: https://glazy.org/posts/166279 https://glazy.org/posts/110706 Eutectics make my head spin a bit
  4. Artisan or artisanal will, for most, still represent work made through traditional means. In this regard functional potters, for me, are still ceramic artisans. Strictly decorative work made by artisans is, in my mind, not exclusively artisanal. *please excuse the after the fact edit What I wanted to express is that artisanal work is not exclusively decorative.
  5. One of my favorite recipes is taken from John Brit's high fire book. It has gone through at least 6 versions over the last 4 years. The only thing that remains iirc is the amount of calcium. Despite extensively reworking the glaze to suit my liking I will continue to credit the source. Someone let me carry on the work and it feels right to admit as much, no matter how distant the outcome.
  6. Science for Potters - Linda Bloomfield Ceramic Glazes Cullen - W. Parmelee A Handbook to Pottery Glazes - David Green Cushing’s Handbook - Val Cushing As for calculation software, Digitalfire's Insight is ok but doesn't plot results on the Stull Chart. It requires a subscription. Hyperglaze is ok too and will plot glazes on the Stull Chart. It runs best on a Mac though. Richard Burkett is offering it free during this %^#*@ pandemic. Glazy.org has become an online cornerstone along with the Digitalfire refernce library. The software at Glazy is well put together and easy to negotiate. The Stull chart adjusts as ingredients are added or changed which is a nifty feature. All three offer much more more than my short description. Glazy in particular makes it easiest to find materials with similar compositions.
  7. Linking or 'pig-tailing' tanks from what I understand essentially increases the total volume and as a result does indeed prevent loss of gas pressure due to low volume frost build up.
  8. For me it's a matter of authenticity. It's unfortunate that the idea of race has persisted as a means of identifying what should, for my liking, be more accurately described as ethnicities. I'm only very lightly familiar with how the term 'race' has come into use and how the term, for a lot of people, is troublesome. It's also unfortunate and most likely an unpopular opinion that, in echo chambers, ideas that challenge the comfortable positions are likely to be ... misunderstood. I find it absolutely true that a pedigree is necessary to promote work as authentic. I also agree to a certain extent that nothing in art is pure but a work that lacks pretense will present as more honest. I know I can be a bit naive but I like to think an honest work will speak for itself. I also know honesty does not always translate into social or financial success.
  9. If you are looking for book recommendations Natural Glazes: Collecting and Making by Miranda Forrest is one of the best out there, at least for glazes.
  10. Again, I appreciate what you are trying to say but, for me, a chawan must be considered in a much larger context than a soap-dish. I can see why it's tempting to separate the idea of a chawan and it's form but it seems to me the idea of a chawan is very much tied to the ceremony the form is designed for. If, as you suggest, someone modifies an idea of a soap-dish the idea, for me, fundamentally changes. The authentic soap-dish becomes a dish that holds soap. I very much wish JBaymore could chime in here and set us all straight. He had a way of bringing clarity to a post. He is also one of the only people I know of that could approach something more than a just a bowl that holds tea. The cynic in me also sees how, unfortunately, a 20 dollar tea-bowl might turn into a 100 dollar chawan at the turn of a phrase.
  11. With all due respect a sponge holder holds very little, if any, cultural significance but I appreciate what you are trying to say.
  12. Stoneware is typically high fire clay so significantly hotter than earthenware. People fire to stoneware temperatures in electric kilns but the drawbacks are sometimes difficult to justify for most.
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