Originally Posted by patdesign
I LOVE vintage Singers, just be careful, they have a way of multiplying.:) The little knob that you are missing is used to move a plate behind the stitch regulator that holds the machine at a specific stitch length until moved and re set. The repair shop can probably replace it for you.:)
awesome thank you! I just called a shop and I'm taking her in this afternoon to get an estimate on the re-wire. i'll let the experts do it :) yay!