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Microscope Observations of the Crushing of Coal

1943; Nature Portfolio; Volume: 151; Issue: 3819 Linguagem: Inglês

10.1038/151054a0

1476-4687

Richard Boddy,

Mineral Processing and Grinding

So far as I am aware, the peculiar effect described below of a disruptive pressure on small particles of coal has not hitherto been observed. The observations were made in the course of an examination of very fine coal dust from a ball mill which is claimed to grind coal to micron size.