I had only heard of the term Hiduminium in the context of GB alloy stems. The Reynolds "Bailey" handlebar stamped with this name aroused my curiosity. It seems this was a common name for duraluminum (duraluminium, dural) alloy equivalent .
Here is a link for anyone interested in the typical properties of the alloy:
http://www.goodfellow.com/
BOB HANSON, ALBUQUERQUE, NEW MEXICO, USA
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