11. The hens'feed is increased, adding avoirdupois and taxing already questionable aerodynamics. 12. Consequently, a fluid ounce of water weighs about 1.041 ounces avoirdupois . 13. The dram in avoirdupois weighs just under half of the dram in apothecaries '. 14. The modern definition of the avoirdupois pound ( 1 lb ) is exactly kilograms. 15. Although the troy ounce is larger than its Avoirdupois equivalent, the pound is smaller. 16. An avoirdupois pound is equal to 16 avoirdupois ounces and to exactly 7, 000 grains. 17. An avoirdupois pound is equal to 16 avoirdupois ounces and to exactly 7, 000 grains. 18. The standard was an avoirdupois pound, the grain being defined as } } of it. 19. The Monumental Nugget, weighing over 106 pounds avoirdupois , was recovered in Sept . 1869. 20. This example uses avoirdupois measures : 1 t = 20 cwt, 1 cwt = 4 qtr.
