What can the presence of tungsten tell us about ancient technologies?

Sep 26, 2014 ... Tungsten Wolframite Tungsten Carbide is used in metalworking, mining ... Tungsten salts are used in tanning industries. Tungsten ... Tungsten carbide bits are a type of cutting tool used in a variety of industries for drilling, cutting, and shaping hard materials such as metal, wood, and ... Jun 28, 2011 ... Most people say green tungsten (pure tungsten) and ball the end for aluminum.Others say to use 2% thoriated(red) or lanthanated tungsten ... There are different types of tungsten electrodes for TIG welding, which differ in color. What does each electrode color mean? Feb 7, 2023 ... Tungsten is used as the base and fused with other metals such as copper, gold, silver, and palladium. The different metals are layered and fused ... 64352 Tungsten. Woven Fabric. Limited availability - check stock. Phase out pricing ... Bleach solutions of up to 10% may be used for more difficult stains. Tungsten or Wolfram is mostly known to the general public as the filament used in light bulbs, but it has many other lesser known, industrial and medical ... Tungsten Disulfide Lubricants find use in industrial assemblies, where it is used to decrease friction and wear between metal parts that move against each other ... Pure Tungsten (green):. This kind of electrode with limited current density, is mostly used with alternative current for welding aluminium alloys - as the small ... Feb 15, 2015 ... To be clear, this metal had two major uses in WWII. 1) Machine Tools (Tungsten carbide is an extremely hard metal and is used as a coating on ...