On Fri, 20 May 2005 22:41:50 +0100, Ian White wrote:

I'm looking for about 1km of thin-ish solid copper wire, as cheap as
possible.

D10 - mil-surplus field telephone wire. Comes as two separate wires,
loosely twisted into a pair. Easily unravelled.

It's stranded, which is better. Solid core used outdoor in these lengths
will break and it's a royal pain to find where.