wrote:
Whoever said that rosin will not work with steel was right.

I managed a couple of pieces but the results were inconsistent and
unpredictable. I went back to plumber's flux:

http://www.flickr.com/photos/2768312...in/photostream

A quick wash, do the machining right away and then wash thoroughly and
neutralize with soda bic. No rusting.

Ignore the stamping, the horrible result is only partly due to my lack
of skill. Who knew that a set of stamps for $11 would be useless?

stamping stuff is surprisingly much harder than it looks.