Link in multi-metal chain.
I had been wondering about how hard it would be to make a multi-part graphite mold with which I could cast chain links around each other. That is, given an existing link, cast a new one interlinked with it. This turns out to be quite do-able: Here is the mold I made (using my drill press as a vertical mill and a round-ended router bit):
 
In case you ever want to try this, I'll give you an important hint: The third link is the real test, not the second one.
Using this mold I have cast a chain out of all the metals I can easily cast. Click the Sample Group link below to see all the links together.
This chain (counted as one sample) is the 600th sample added to my collection.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 9 August, 2003
Text Updated: 20 February, 2006
Price: $1/pound
Size: 3"
Purity: >90%
Sample Group: Multi-metal Chain
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