The document discusses the history of welding from ancient times to the modern era. It mentions that the earliest examples of welding come from the Bronze Age in the form of small gold boxes welded together. During the Iron Age, Egyptians and people in the eastern Mediterranean learned to weld pieces of iron. The art of welding further developed during the Middle Ages through blacksmithing. Modern welding using equipment and processes was not invented until the 19th century.

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10. Welding can trace its historic development back to ancient times. The earliest
examples come from the Bronze Age. Small gold circular boxes were made by
pressure welding lap joints together. It is estimated that these boxes were made
more than 2000 years ago. During the Iron Age the Egyptians and people in the
eastern Mediterranean area learned to weld pieces of iron together. Many tools
were found which were made approximately 1000 B.C.
The History of Welding
Middle Ages
https://www.millerwelds.com/resources/article-library/the-history-of-welding
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11. During the Middle Ages, the art of blacksmithing
was developed and many items of iron were
produced which were welded by hammering.
It was not until the 19th century that welding,
as we know it today was invented.
- See more at:
https://www.millerwelds.com/resources/article-library/the-history-of-welding#sthash.FXfNrTXu.dpuf
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