>Good grief. There is another new one. I looked up "rotary file" on Harbour >Freight, but no picture. Go to the McMaster-Carr site http://www.mcmaster.com/ and search for rotary file. Lots of pictures, lots of shapes. >I take it these things would be the general shape of the small stones, but >are made of metal with a file-type surface on them? And these do not clog >up with paint and that nasty black tarry undercoat stuff that you find on >plates. Right, and right. >What is that black stuff anyway? Was it used to fair the surface before >epoxy was invented? > >Terry Farrell I don't know... gesso? Ron N
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