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The early use of iron may have developed from the practice of copper-smelting. [28] While there is to date no proven evidence for smelted iron in the Indus Valley civilization, iron ore and iron items have been unearthed in eight Indus Valley sites, some of them dating to before 2600 BCE. [29]
The extent of the Indus Valley Civilisation. This list of inventions and discoveries of the Indus Valley Civilisation lists the technological and civilisational achievements of the Indus Valley Civilisation, an ancient civilisation which flourished in the Bronze Age around the general region of the Indus River and Ghaggar-Hakra River in what is today Pakistan and northwestern India.
Indus Valley Civilisation Alternative names Harappan civilisation ancient Indus Indus civilisation Geographical range Basins of the Indus river, Pakistan and the seasonal Ghaggar-Hakra river, eastern Pakistan and northwestern India Period Bronze Age South Asia Dates c. 3300 – c. 1300 BCE Type site Harappa Major sites Harappa, Mohenjo-daro, Dholavira, and Rakhigarhi Preceded by Mehrgarh ...
Recently discovered iron age sites in the south of India in Mayiladumparai may be the oldest iron-age sites in India, dated at c. 2172 BCE. [7] Previously known early iron age sites in South India are Hallur, Karnataka and Adichanallur, Tamil Nadu [8] at around 1000 BCE. [9] Mahurjhari near Nagpur was a large bead manufacturing site. [10]
Since the Bronze Age, ratti (0.11 or 0.12 gram) or the weight of the Gunja seeds have been used as a base unit for the measurement of mass in the Indus Valley civilization, the smallest weight of Indus was equal to 8 rattis (0.856 gram) and the binary system was used for the multiple of weights for instance 1:2:4:8:16:32, the 16th ratio being ...
The Vedic period, or the Vedic age (c. 1500 – c. 500 BCE), is the period in the late Bronze Age and early Iron Age of the history of India when the Vedic literature, including the Vedas (c. 1500 –900 BCE), was composed in the northern Indian subcontinent, between the end of the urban Indus Valley Civilisation and a second urbanisation, which began in the central Indo-Gangetic Plain c. 600 BCE.
Illustration of stepwise bronze casting by the lost-wax method. Lost-wax casting – also called investment casting, precision casting, or cire perdue (French: [siʁ pɛʁdy]; borrowed from French) [1] – is the process by which a duplicate sculpture (often a metal, such as silver, gold, brass, or bronze) is cast from an original sculpture.
Archaeological experiments show that these blades were made with a copper indenter and functioned as a potter's tool to trim and shape unfired pottery. Petrographic analysis indicates local pottery manufacturing, but also reveals the existence of a few exotic black-slipped pottery items from the Indus Valley. [26]
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