Copper was alloyed with tin to produce bronze in 3000 BC, which heralded the ... copper nickel, nickel silvers, leaded copper, and beryllium copper also ... Copper tube manufacturers use on average more than 50% recycled ...
Most were built using aluminum-beryllium alloys and sold for about $1,900; ... binoculars, it passes through the lens into an image-intensifying tube. ... to tin because there are very few Bronze Age samples, and cassiterite, the. ..
In the early years of audio, power amplifiers had tubes with very low output ... fabric, aluminum, titanium and rare beryllium or exotic composite materials. ... bonded to an aluminum or bronze disk of slightly larger diameter.
... variety of parts including watch crowns, push-pieces, tubes, pinions, arbors ... in this field is the production of parts made of beryllium bronze.