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Museum-grade sample.
An example of the element Lead

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Lead Museum-grade sample
Museum-grade sample.
In early 2004 Max Whitby and I started selling individual element samples identical or similar to the samples we use in the museum displays we build. These are top-quality samples presented in attractive forms appropriate to the particular element. They are for sale from Max's website and also on eBay where you will find an ever-changing selection of samples (click the link to see the current listings).
This ingot shows two kinds of surfaces, one where the metal cooled in contact with a graphite mold, and the top that was in contact with the air. The top surface is particularly interesting in that it shows the degree of contraction when the metal cools (which shows as a depression in the case of aluminum), and sometimes crystal structures that give the surface a wrinkled appearance as in copper or tin. This particular lead ingot has been wire-brushed after casting as this is the best way to create a bright metal surface: Unless protected from oxygen it will dull to the darker color usually associated with lead in a few months.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 6 March, 2004
Text Updated: 11 August, 2007
Price: See Listing
Size: 4"
Purity: >99%
Sample Group: RGB Samples
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