Search results
Results From The WOW.Com Content Network
Early tin exploitation appears to have been centered on placer deposits of cassiterite. [3] Map of Europe based on Strabo's geography, showing the Cassiterides just off the northwest tip of Iberia where Herodotus believed tin originated in 450 BC. The first evidence of tin use for making bronze appears in the Near East and the Balkans around ...
It has been claimed that tin was first mined in Europe around 2500 BC in the Erzgebirge, and knowledge of tin bronze and tin extraction techniques spread from there to Brittany and Cornwall around 2000 BC and from northwestern Europe to northwestern Spain and Portugal around the same time. [19]
The first elemental metal with a clearly identifiable discoverer is cobalt, discovered in 1735 by Georg Brandt, by which time the Scientific Revolution was in full swing. [6] (Even then, cobalt might have been prepared before the 13th century by alchemists roasting and reducing its ore, but,in any case, its distinct nature was not recognised.) [7]
The first tin alloy used on a large scale was bronze, made of 1 ... [63] and in 2009, new deposits of tin were discovered in Colombia. [64] Production
Sican tumi, or ceremonial knife, Peru, 850–1500 CE. Metallurgy in pre-Columbian America is the extraction, purification and alloying of metals and metal crafting by Indigenous peoples of the Americas prior to European contact in the late 15th century.
Tinplate consists of sheet iron coated with tin and then run through rollers. This process was first discovered in the 16th century, with the development of the British tinplate address in 1661 with a patent to Dud Dudley and William Chamberlayne. [5] [page needed] Previously Great Britain had imported most tinplate from Hamburg.
A co-author of the study, Tennessee-based photographer Stephen Alvarez, founded the Ancient Art Archive in 2017, and the carvings in Alabama’s “19th Unnamed Cave” helped inspire the project.
The first Europeans to make contact with Alabama were the Spanish, with the first permanent European settlement being Mobile, established by the French in 1702. After being a part of the Mississippi Territory (1798–1817) and then the Alabama Territory (1817–1819), Alabama would become a U.S. state on December 14, 1819.