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Marcia Selsor

Member Since 16 May 2010
Offline Last Active Today, 09:10 PM

#66176 Repair Bisque Piece?

Posted by Marcia Selsor on 15 September 2014 - 08:12 AM

mix some paper clay patch with you clay body. Before applying it to the 2 pieces wet the surfaces well with water. Thenquickly use the paper clay goo and stick them together. The bisque sucks the moisture out of the goo quickly. Re-bisque before glazing.

#66040 Co-Op

Posted by Marcia Selsor on 11 September 2014 - 08:39 PM

Personally I think meetings are good to check in with what is going on. Otherwise, you may never see the other people.
Compared to the coop I was in , it looks pretty good.

#65737 Traditional Pottery From Agost, Spain Youtube

Posted by Marcia Selsor on 07 September 2014 - 08:18 AM

This is a video of production techniques from Agost/Alicante, Spain.
I spents several summers there and an entire year on a Fulbright. I published a book on the different forms they made there. There were 21 potteries there when I first visited. Now there are about 4 or 5.
Centro Agost was started by Ilse Schutz who purchased La Nava's 1820 factory and set it up as a studio study center.
Here is La Navas video 17+ minutes

They produce botijos..water jugs. They say adding salt to the clay makes the clay white and the water taste better.I have a photo of this potter from 1985.This the the modern las Navas with a four story wood fired kiln with a freight elevator to get the pots to the upper levels.


#65597 I'll Be A Bit Absent For A Week Or So.........

Posted by Marcia Selsor on 04 September 2014 - 08:35 AM

There are also Encaustic tiles on the floor of St. Patrick's. I also visited the site where James Joyce wrote Ulysses.
Plus Tara. I was an Astro-physics conference and Stephen Hawkins was also there and at the Guinness brewery/pub.Beer is piped directly to the pub from the brewery.it is a great city to explore. Have a great time. See as many ICA shows as possible and give a great presentation.


#65589 I'll Be A Bit Absent For A Week Or So.........

Posted by Marcia Selsor on 04 September 2014 - 06:20 AM

Have a Guinness for me.
Also I have some friends in a show Next Generation, Irish amongst them.

#65377 Alumina Mechanism

Posted by Marcia Selsor on 30 August 2014 - 11:19 AM

Another short answer:the ratio between the Alumina and the silica determine the texture of the glaze.
The ratio between the fluxes and the silica determine the melting point. --very brief description


#65364 Trouble With Dried Out Glaze

Posted by Marcia Selsor on 29 August 2014 - 10:40 PM

Take the stubborn particles and run them in a blender for a while and then try to sieve. You should be able to break it down again.

#65352 What Causes Smoke Patterns In A Foil Saggar?

Posted by Marcia Selsor on 29 August 2014 - 03:37 PM

Foil sag gars that I do are not fired in a smoky trash can. They are fired with the colorants, chemicals, combustibles inside the foil sealed around the pot. II fire them in a raku kiln.
Russel Fouts uses masking tape resist in his foil sag gars with combustibles sealed in foil. Wax burns off way too early to leave a result of resisting smoke.here is his article on smoke firing in an electric kiln.


#65255 Kudos To Marcia For Her Article In Sept/oct 14, Pottery Making

Posted by Marcia Selsor on 27 August 2014 - 07:22 PM

Thanks, Pres!
PC sent out a clip to members of the Obvara firing process from the new dvd about expanding the potential of a raku kiln.It is a good real time demo of the content of the article. The web link to others doing obvara are missing.
here they are:

Do I really sound like that?

Thanks again for the pat on the back.


#65241 How Would You Describe Your Current Studio Location. Suburban Garage, Urban B...

Posted by Marcia Selsor on 27 August 2014 - 04:41 PM

Wow,Ayjay. I thought I should straighten mine up before taking any pics!
You know what they say about messy desks and creative minds!
OK. I put old photos up of my studio 4 years ago. It does not look as pristine today.


#65222 Zalik Tile Process -You Tube "from Clay To Mosaics

Posted by Marcia Selsor on 27 August 2014 - 02:39 PM

Stephani shared this with me today on Facebook. This is an amazing process and still used in many Islamic countries today. There is a factory in Granada, Spain as well. I saw a lot of ancient buildings and mausoleums in Uzbekistan with these mosaics. Really a labor intensive process.


#65139 Building A Small Cantenary, Mortar Question

Posted by Marcia Selsor on 26 August 2014 - 03:12 PM

Read all about them (clinkers) in the Potters book by Leach. We solved it by eliminating cold secondary air by making a collar of firberfax around the tube of the oil burner and sealing the burner port.


#65138 Irregular Bowls

Posted by Marcia Selsor on 26 August 2014 - 03:09 PM

I love Ruthanne Tudball's looseness. Also Tony Clennell"s. I think they work fairly wet but don't molest it's freshness by over doing it. Ruthanne completes a teapot in one sitting without it leaving the wheel.


#65127 Building A Small Cantenary, Mortar Question

Posted by Marcia Selsor on 26 August 2014 - 01:47 PM

i used a mix if fire clay , sawdust and vermiculite at the time 1971 for filling between the bricks on the curve. ( excuse the little hippie chick image)
I built this kiln in update NY with old bricks from a boiler in the woods. Empire firebricks.and an outer layer of insulation bricks. there had been an urban myth of using aluminum foil between the bricks but it really did nothing. Turned pretty much to ash in a firing or two. I did cover the exterior with a thin coat of home made castable which I have posted here before.This was a cross draft catenary. I built a larger cross draft in Illinois for oil burners. Those burners were in an article in Studio Potter in 1973.I cast some ridged plastic lampshades in a block of castable for the burner ports. I built another kiln for burners on each side of the door in Montana.-no photo.

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#65009 Wheel Wobble. How Much Wobble Is A Real Wobble?

Posted by Marcia Selsor on 24 August 2014 - 10:53 AM

Unless the camera was moving, I held a paper next to the edge of the board. It was moving and not the shaft. I would go around the wheel and tighten everything possible. If the shaft is bent, you will nee to replace it. A machine shop should be able to make one for you. Or maybe whoever manufactured your wheel could replace it.