| 21. | The grain was the legal foundation of troy, avoirdupois, and apothecaries'systems of mass.
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| 22. | The terms fluid ounce, pint, quart, gallon, pounds are Avoirdupois unless otherwise indicated.
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| 23. | In the Imperial Weights and Measures Act of 1824, the avoirdupois pound was defined as grains exactly.
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| 24. | Before our combined avoirdupois could be accommodated, the service manager had to suction out 100 gallons of water.
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| 25. | More bad news for the avoirdupois-challenged : A scale that insults you if you're overweight.
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| 26. | Prior to 1588, the " part " ( ) was the smallest unit in the avoirdupois weight system.
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| 27. | When the Tower system was abolished in the 16th century, the bushel was redefined as 56 avoirdupois pounds.
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| 28. | This convenient fluid-ounce-to-avoirdupois-ounce relation does not exist in the US system.
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| 29. | The obsolete troy pound was divided into 12 ounces, rather than the 16 ounces per pound of the Avoirdupois system.
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| 30. | The definition of the pound avoirdupois in the imperial system is identical to that in the U . S . customary system.
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