It took me a while and lots of questions to find it, but John Archer gave me the following address, and I had no trouble getting a 500 g container of the stuff.
So, for you Canadians: New Horizons Scientfic, 2351 Vauxhall Place, Richmond, BC, V6V 1Z5 phone: 604-821-
1455, fax: 604-821-1499, toll free: 1-877-822-1455 or 1-877-822-1456 email: sales@newhorizonsscientfic.ca
I'm beginning to accept that this red undertone thing might be an urban legend. Until recently, most of my reference books are largely in black and white. I have purchased several now that display the original rifles in colour, and almost without exception, the rifles are simply brown. Two examples of this are the Moravian Rifle book and Patrick Hornsberger's new one on Lancaster rifles.