barley coal

barley coal

[′bär·lē ‚kōl]
(mining engineering)
A stream size of anthracite sized on a round punched plate; passes through 0.25-inch (6.4-millimeter) holes. Also known as buckwheat no. 3.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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