OK, ok...I'm not that old. But a fellow I once worked with was.
I'd used the stick type lubes before, bandsawing and hand tapping where fluids were not practical.
This old gent had a little tub of tallow that he kept handy. I was amazed that it didn't rot but it never did and it worked quite well.
I'm surprised the wiki doesnt mention using tallow as cutting oil as it was used widely in machining. BUt for solder flux ? ? Bet that made you hungry for lunch.
http://en.wikipedia.org/wiki/Tallow
OK, back to the future McFly.
I use Stick-Kut from MSC.
Russ