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Showing results for tags 'sharpening block cross-hatch'.
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I stopped at yard sale this past weekend and as I was leaving I explained that I was learning black smithing; and asked if there where any heavy pieces of metal around. The home owner said "just a minute" and disappeared around the corner of the house. He returned with a steel block and said to take it gratis as he didn't want to take it south with him. The block measures 4-3/4 x 7-3/4 inches and had a moderate coating of rust. At that time I couldn't see any printing or cross hatch pattern. But when I went over the block with a zirconia flap disc I could see the letter C on the sides of one half of the block and the letter F on the faces of the other half of the block. Turns out he thing cleaned up really well. The disc removed the rust and revealed the cross hatch pattern on the top. The thing is hard enough to skate a good file. I going to venture a guess that perhaps the block was used with some kind of abrasive slurry to sharpen something. Does anyone know what this is and was used for?