A vague recollection - 

some decades past a seattle personage making objects which fit a
dictionary definition of "harpsichord" often strung the somewhat
foreshortened (on a heavy case) bottom notes (roughly FF to C) in 
a white wire which someone told me might be berryl alloy.  Would
this stuff, which iirc sounded a bit better than thick hard yellow
brass in this context, possibly have been this same thing?

One wonders whether there is a name for copper alloys with other
than the usual metals.

dc


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