I finished restoring a 301 today and posted a before and an after pic here.
http://www.quiltingboard.com/vintage...30994-128.html The machine ran well when I got it but it has so many little seams and corners in it that trap dirt, it took forever to get it clean enough for me to be happy. The upper tension must have been in a fight. It was bent pretty good. It is all fixed and all back together now.
~G~