white metal wikipedia - EAS
- The white metals are a series of often decorative bright metal alloys used as a base for plated silverware, ornaments or novelties, as well as any of several lead -based or tin -based alloys used for things like bearings, jewellery, miniature figures, fusible plugs, some medals and metal type.en.wikipedia.org/wiki/White_metal
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The white metals are a series of often decorative bright metal alloys used as a base for plated silverware, ornaments or novelties, as well as any of several lead-based or tin-based alloys used for things like bearings, jewellery, miniature figures, fusible plugs, some medals and metal … 查看更多內容
In compliance with British law, the British fine art trade uses the term "white metal" in auction catalogues to describe foreign silver items which do not carry British Assay Office hallmarks, but which are nonetheless … 查看更多內容
Tin-lead and tin-copper alloys such as Babbitt metal have a low melting point, which is ideal for use as solder, but these alloys also have ideal characteristics for plain bearings. … 查看更多內容
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- https://en.wikipedia.org/wiki/Colored_gold
Pure gold is slightly reddish yellow in color, [1] but colored gold in various other colors can be produced by alloying gold with other elements. Colored golds can be classified in three groups: [2] Alloys with silver and copper in various …
White metal - Wikipedia
What is the meaning of white metal? - Quora