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  2. Wash copper - Wikipedia

    en.wikipedia.org/wiki/Wash_copper

    A laundry copper. A wash copper, copper boiler or simply copper is a wash house boiler, generally made of galvanised iron, though the best sorts are made of copper. In the inter-war years they came in two types. The first is built into a brickwork furnace and was found in older houses.

  3. How to Perfectly Clean Copper, According to Experts - AOL

    www.aol.com/perfectly-clean-copper-according...

    Here's how to clean and polish copper the right way to banish that tarnish once and for all.

  4. Cupellation - Wikipedia

    en.wikipedia.org/wiki/Cupellation

    16th century cupellation furnaces (per Agricola). Cupellation is a refining process in metallurgy in which ores or alloyed metals are treated under very high temperatures and subjected to controlled operations to separate noble metals, like gold and silver, from base metals, like lead, copper, zinc, arsenic, antimony, or bismuth, present in the ore.

  5. Low-background steel - Wikipedia

    en.wikipedia.org/wiki/Low-background_steel

    Low-background steel, also known as pre-war steel [1] and pre-atomic steel, [2] is any steel produced prior to the detonation of the first nuclear bombs in the 1940s and 1950s. Typically sourced from ships (either as part of regular scrapping or shipwrecks ) and other steel artifacts of this era, it is often used for modern particle detectors ...

  6. How to Clean Copper: 3 Methods That Actually Work - AOL

    www.aol.com/news/clean-copper-3-methods-actually...

    Copper is an excellent conductor of heat, which is why this metal is so prized when it comes to cookware. Plus, its rose-gold hue scores serious points in terms of aesthetic appeal—assuming the ...

  7. Conservation and restoration of copper-based objects

    en.wikipedia.org/wiki/Conservation_and...

    The phrase was simplified to cuprum, hence the English copper. Aphrodite and Venus represented copper in mythology and alchemy, because of its lustrous beauty, its ancient use in producing mirrors, and its association with Cyprus, which was sacred to the goddess. The seven heavenly bodies known to the ancients were associated with the seven ...

  8. How to Perfectly Clean Copper, According to Experts - AOL

    www.aol.com/lifestyle/perfectly-clean-copper...

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