Is it a trade name for a filler wire?  Try Google and see what comes up with welding suppliers.  It may be a brand name that is obsolete by now.  I think Oxweld was a trade name for Linde (Union Carbide) filler wire.  They of course are now EASB.

Update:  Here is what I found with a quick Google search:

In the early days of mechanised
pipe welding, 0.9 mm (0.035
in) Oxweld 65 triple-deoxidised
wire was widely used and the
same wire, now known as Spoolarc
65, is still supplied by the
ESAB Group.A more recent development,
Spoolarc XTi, is available
where improved toughness is
required.

http://www.esab.com/global/en/news/upload/Svetsaren_3_1999.pdf

Great and rapid feedback.  'First time user of this Forum and I am very impressed.  Thank you both for your efforts and for sharing your knowledge.  Very much appreciated.

Oxweld 65 is now Allstate 65 it is an oaw rg 65 ie rod gas 65,000 psi tensile strength. The spoolarc 65 is the er 70s2 gtaw/gmaw wire.