The Wealth of Nations, by Adam Smith, Part 2
Boring Books for Bedtime Readings to Help You Sleep
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The Origins of the Tower Pound
The Roman Oz in the later ages of the Republic was reduced to the twenty-fourth part of its original value and instead of weighing a pound came to weigh only half an ounce. English, French and Scots pennies too contained all of them originally a real penny weight of silver, the 20th part of an ounce and the 240th part of a pound. The tower pound seems to have been something more than the Roman pound and something less than the Troy pound. This last was not introduced into the Mint of England till the 18th year of Henry VIII.
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