By R. A. Donkin
Guy has been intrigued through the starting place of pearls, delicate to their attractiveness, & confident in their medicinal price for no less than 5 millennia. a mix of folklore & statement preceded the earliest medical inquiries. Fishing & exchange started out in southern Asia, among India & Sri Lanka & round the Persian Gulf. In Western & relevant Europe, internal Asia & China, & North the USA, freshwater pearls have been most likely identified & precious prior to these of marine foundation. R.A. Donkin combines written assets with the result of archaeological & philological study. a sophisticated nomenclature lends help to different facts pointing to lengthy familiarity, & etymologically comparable phrases for 'pearl'- reflecting former buying and selling connections or colonization. Pearls have been well-known one of the luxurious items which, for lots of centuries, the West linked to the mythical East & South
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Extra info for Beyond price: pearls and pearl-fishing : origins to the Age of Discoveries
Further, our time axis is evidently nonlinear and will continue to be so in all subsequent depictions. 9 To Think About • Archimedes was a most proliﬁc inventor in Ancient times. Research some engineering details of his devices. • Wood, stone, adobe brick, and mortar were the only building materials available to Ancient engineers. What distinctive additional building materials have since then been discovered or developed and are now commonly used? • The invention of the wheel is remarkable because there exists no functional analogue in nature to be copied.
The earliest stone tools were chopping tools, typically consisting of a grapefruit-sized smooth stone with ﬂakes knocked off using a harder stone or even hardwood, Fig. 2. With time, these stone tools were selectively chipped to be useful for a variety of purposes such as shaping wood, cutting carcasses, cleaning hides, and boring holes in hide or wood. Thus, by the application of primitive engineering skills, early humans could expand their activities as an aid to survival and begin to explore and control their world.
Fig. 3 Prehistoric making of devices spread by global migrations ( dates for early population centers are indicated ( ). Approximate ). During the last ice age, reduced oceanic distances opened land bridges and island-hopping pathways for migration from Asia to Australia as well as from Europe to England, both about 50,000 BP. Similarly, from about 30,000 BP to about 15,000 BP, various bands of hunters followed game and crossed from Asia to North America along the land bridge in the Bering Strait region thus establishing — or contributing to — human occupation of North and South America.