george (dicegeorge) explained on 17/12/2008 :
But if done in 1958 it may have been done in VIR. If that is so the
stuff is probably rotting by now

is VIR that old style rubbery wire?

Its a rubbery coating for insulation, with a waxed cotton woven over
the top for mechanical protection.

--
Regards,
Harry (M1BYT) (L)
http://www.ukradioamateur.co.uk