Applying brushed oxide decoration to bisque-fired plate on electric
banding wheel (antique direct-drive record turntable).  Cups of
oxide/water mixture are sitting on laboratory magnetic stirrers, with a
Teflon-encased magnet stirring bar in each cup, in order to keep the 
oxides in suspension. 

Note: this picture was taken when I was using cobalt carbonate for
underglaze brushwork on bisque, but the carbonate tends to cause 
glazes to crawl.  After switching to cobalt oxide I had no further 
problems with crawling.   
Vince Pitelka, 1983

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