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terrim8

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Everything posted by terrim8

  1. :ph34r: -28C, colder tonight

    thanks Siberia

    1. Min

      Min

      I thought we were cold at -8C here. Stay warm.

    2. JohnnyK

      JohnnyK

      And here I thought it was cold at 40FB)

  2. Is it just thick slip with colorant oxides? Nice!
  3. Hope all goes well!

  4. No, the point I am trying to make its that it won't take long for people to find the desired commodity in North America if the value is significant enough to encourage exploration. That is why I used the DeBeer's example. This generally runs into an oversupply situation and then the price of the commodity drops. But we can find and develop things here if needed. Btw, DeBeer's Victor Mine in northern Ontario is finished already and so is Snap Lake in the NWT. Short expensive mine life. Of course none of this can change company behavior or foreign government actions with respect to child labour or lax environmental laws. And as potters, you're absolutely right- we don't affect the commodity markets - we're too small. We can decide to not use a product if we know it is produced unethically but that's about it . The problem though is labeling. How do you know where your cobalt came from? Or all those diamonds I need to hurry up and buy for Christmas! I'm adding something else here about labeling - I was buying toothpaste the other day and tried to find out where it was made. I went thru the whole rack and 99% just said imported and wouldn't say from where. I finally found one that said "made in the USA" and I bought that one. I don't want polluted toothpaste!
  5. They used to say that about DeBeers & South Africa about diamonds. Then a South African "defector" by the name of Chuck Fipke came along & spilled the beans to the geological community about specific pathfinder minerals in diamond exploration. It had been a company secret.
  6. Sarcasm ? This is the same country just caught releasing fluorocarbons into the atmosphere again - who needs an ozone layer, right? The US military is working with companies that mine rare earth deposits . There's a new processing plant in Colorado, with the ore mined in Texas. Guess its a strategic commodity now! The price of cobalt indicates that the supply is being met. One of the major producers in the DRC has been shut down for 6 months and the price of cobalt has still dropped. It's too unstable to operate there. Future battery production may not use cobalt. Cadmium is just bad news https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5596182/
  7. That's probably OK that few are heading into pottery as a career. To me that means that the desire to do that work is strong despite the current economic headwinds and that is what is needed to prosper. They've really decided that it's their life's work. The potters I know, in our area, go to innumerable markets and sales - I get tired just hearing about it. I think I'm ready to just putter with pottery and enjoy other's work!
  8. Hey! Leslies products are still available at some place called Clay Planet Where's Santa Clara ? - another edit - just looked it up - I never visit the South Bay - usually don't have time.
  9. I know someone that is looking for real bone ash for her bone china instead of the synthetic commonly available now. She has looked to local farmers but found it didn't fire white enough. Alberta cows must have too much iron in their bones!!!
  10. short person (me) + tall kiln = leaning over too much to reach=

    very sore ribs. :(

    Took about 1 1/2 months to heal.

    1. Show previous comments  3 more
    2. terrim8
    3. Denice

      Denice

      I am not too short just getting old.  I put a false floor in my electric.   I laid old firebricks with space between them on the bottom being careful not to cover my vent holes and then a shelf of top of the bricks.  The shelf was one that had broken in half  so I made sure it had a nice gap.   I called Skutt about it and they said they didn't think it would fire properly.  I think it fires  more evenly than it use do.   I have a dual pyrometer and really had to adjust for a cool bottom and hot top.  Now there is a minor difference.   Denice

    4. terrim8

      terrim8

      sometimes things work out for the best!

  11. I used to do this a lot in my outdoor gas kiln. It is correct to use a glaze with a significant quantity of clay in the recipe. Just go by the book- slow warm up - (its called candling) even overnight then start the regular firing in the morning. I used recipes specifically for once firing - some even went on as a slip right after trimming. Dry things really well. Everything has to shrink and fit together at the same rate.
  12. I will miss them-it's Leslie's too right? I used to pick up things at Leslie's in Berkeley, then they moved to Richmond and joined up with Aftosa - I used to buy a lot of odd sized kiln posts and put them in my carry on luggage (and stains that were on sale) for customs to inspect coming back home to Canada . Gave them something interesting to do.
  13. Gary forces the migration with some sort of solution. Your work looks so nice! I like the low temp part too
  14. I have a bunch of clay disks drying between planks right now. I can use kiln wash too, right?(never heard of alumina wax- is it alumina hydrate and cold wax?)
  15. Anything else? Such as use the same type of clay or any other tips???
  16. Hopefully if they're on the flat waster, on a flat shelf, it won't warp!
  17. Thanks! That's what I wanted to hear- the voice of experience!!!
  18. Hi, I want to fire a bowl on its rim and not get any distortion - is using a waster how this is done?
  19. Are the dark haloes on some of the pots (esp.the green at the bottom) produced in a similar manner as the high temperature haloes on Gary Holt's work with southern ice?
  20. I have Arne's book too and I've visited Gary Holt in Berkeley to see his beautiful high temp work on southern ice. But I'm interested in the low T work too. Gary didn't toss anything down the drain- when I was there he advised me to wear protective clothing, mask & goggles & gloves..... and work in a ventilated area and make very, very small amounts solutions - only what you would use up on your project. The problem for me is getting the ingredients - a few are somewhat easy to obtain but in Canada most are too difficult to get unless you are a commercial lab. So far I've made a few things with polar ice at cone 6 but the lower T processes seem really interesting - you'll have to post results! Any skiers on the hill yet? I've started an exercise program to get these old bones moving for winter!
  21. Thanks for the ideas! I'm trying it again with a new big mold.
  22. Hi all! I am slip casting a large one piece item. It is drying pretty slowly. Is it best to dry it upside down on some sticks to prop it up for air circulation or just leave it right side up?
  23. drying a large slip cast item - still in the plaster form- is it better to leave it upside down to drop out or will it dry faster right side up?

    1. Show previous comments  3 more
    2. terrim8

      terrim8

      It seems to dry/absorb so slow- its still in there! It was the right SG too so I'll keep it right side up . I may have complicated it all by having a paper-plaster mix behind the solid wall.

    3. JohnnyK

      JohnnyK

      Can you send some pix?

    4. terrim8

      terrim8

      with the next try-  decided to start again- back to the model to remove any imperfections so it will be totally smooth & then I'll insure its a smooth one-shot pour for the plaster.

       

  24. Sure those are commercial glazes? Everything looks matte and the pigments are so concentrated- looks like sprayed over resists many times - I like it! Looks like I have to make more test tiles and try some undergazes- over glazes
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