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.
Read more about this topic: Ball Mill
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“It’s not the sentiments of men which make history but their actions.”
—Norman Mailer (b. 1923)
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—Lytton Strachey (1880–1932)
“America is, therefore the land of the future, where, in the ages that lie before us, the burden of the World’s history shall reveal itself. It is a land of desire for all those who are weary of the historical lumber-room of Old Europe.”
—Georg Wilhelm Friedrich Hegel (1770–1831)