Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. A sewing machine is a ...
Question: I have two Singer sewing machines, a 301A and a 401A. These machines were made in the '50s and '60s, are all metal and driven by gear, not belt. In my opinion, they are worth their weight in ...