By comparing the number of grains in the Avoirdupois and Troy pound and ounce respectively, it appears that the Troy pound is less than the Avoirdupois, in the proportion of 14 to 17 nearly; but the Troy ounce is greater than the Avoirdupois, in tilt1... Mathematics for Practical Men: A Book of Principles, Theorems, Rules and ... por Olinthus Gregory - 1833 Vista de fragmentos -
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