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Adam Smith (1723 - 1790) is one of the fathers of modern economics. In one of his great works, An Inquiry into the Nature and Causes of the Wealth of Nations, Smith famously used the example of workers in a pin factory to describe the benefits created by the division of labour, and, as explained on the note, "the great increase in the quantity of work that results".
Timna national park Israel, King Solomon's mines , Copper mining, World's earliest mine .6000 years ago, Land of Edom, Red sandstone , syrio African rift, the great rift valley , red sea desert , the arava .Israel, Holy land, Queen of Sheba, Eilat,
The Egyptians discovered copper ore as early as the 5th millennium BCE,and began the world’s first copper production center in Timna valley. The remains the Egyptians and others left provided for the most extensive example of early mining of any kind in history.The Egyptians established a trade route through Timna Valley as the surrounding areas heard about the copper-rich area. At the same time the Midianites from the northwestern Arabian Peninsula and local Amalekites began mining alongside the Egyptians. Mining continued by the Israelites and Nabateans through the Roman period and the 1st and 2nd centuries CE, and then by the Ummayads from the Arabian Peninsula after the Arab conquest (in the 7th century CE) until the copper ore became scarce. Timna Valley was also home to the beginning of the technological revolution, when people started using metal in daily life. Egyptians used metal chisels and hoes to mine and made tubular shafts with footholds in the walls to move down as far as 30 meters to reach the copper, all revolutionary methods for the time.
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£20 note, depicting Adam Smith with an illustration of 'The division of labour in pin manufacturing'. It also includes enhanced security features. This, the first note from the new Series F, entered circulation on 13 March 2007