Hobart Helpful Hints to Basic Welding
Booklet,give away at the Hobart dealers
A couple of years ago
Another of the great freebees if you keep it it will answer a lot of questions. As it was toolbox sized. filled with charts, B&W photos and drawings of basic stick and wire welding. It gives great starting points for the material thickness, type of wire or electrode and the amps. Along with Clear B&W photos of good and bad welds.
If they still aren't giving it out they should put it up as a PDF for down load on their site.