Early Use
The earliest remaining writings regarding levers date from the 3rd century BC and were provided by Archimedes. "Give me a place to stand, and I shall move the Earth with it" is a remark of Archimedes who formally stated the correct mathematical principle of levers (quoted by Pappus of Alexandria).
It is assumed that in ancient Egypt, constructors used the lever to move and uplift obelisks weighting more than 100 tons.
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Famous quotes containing the word early:
“Names on a list, whose faces I do not recall
But they are gone to early death, who late in school
Distinguished the belt feed lever from the belt holding pawl.”
—Richard Eberhart (b. 1904)
“Many a woman shudders ... at the terrible eclipse of those intellectual powers which in early life seemed prophetic of usefulness and happiness, hence the army of martyrs among our married and unmarried women who, not having cultivated a taste for science, art or literature, form a corps of nervous patients who make fortunes for agreeable physicians ...”
—Sarah M. Grimke (1792–1873)