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Torsion balances

LC control 85136149
Topical headingTorsion balances
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Variant(s)Torsion balance
See alsoBalances (Weighing instruments)
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Found inMcGraw Hill dict. sci. tech. (torsion balance: an instrument consisting essentially of a straight vertical torsion wire whose upper end is fixed while a horizontal beam is suspended from the lower end. Used to measure minute gravitational, electrostatic, or magnetic forces)