GMAT
By devising an instrument made from a rod, wire, and lead balls, and employing uncommonly precise measurements, in 1797–1798 Henry Cavendish`s apparatus enabled him to arrive at an astonishingly accurate figure for the weight of the earth.
By devising an instrument made from a rod, wire, and lead balls, and employing uncommonly precise measurements, Henry Cavendish was able in 1797–1798 to arrive at an astonishingly accurate figure for the weight of the earth.
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