rlarkin Posted May 27, 2011 Share Posted May 27, 2011 A buddy of mine was just given a large bin of coal that was in a OLD barn. Mixed in with the coal is a bunch of what looks to be coal fines that are compressed into cylinders 2 1/4" long with a diameter of 2 1/4". One end is slightly convex with a R in the center of a diamond. Can try and pics up this weekend, but does anybody know what he has? Quote Link to comment Share on other sites More sharing options...
alphageekmattpi Posted May 28, 2011 Share Posted May 28, 2011 Recovered coal fines. The coal company gets some federal money for putting them out. Some are just tightly compressed dust. Some have a binding agent added in. Quote Link to comment Share on other sites More sharing options...
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