Difference between revisions of "Ball Mills"

Ball Mills (view source)

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	==History==		==History==
	Devices for shaking materials along with hard balls might be old, but it was not until the industrial revolution and the invention of steam power that a machine could be built. It is reported to have been used for grinding flint for pottery in 1870.~~<ref>{{cite book\|author=Lynch, A., Rowland C\|title=The history of grinding~~		Devices for shaking materials along with hard balls might be old, but it was not until the industrial revolution and the invention of steam power that a machine could be built. It is reported to have been used for grinding flint for pottery in 1870.