Originally Posted by
Caroline S
Try to find an original 221 or 301 bobbin case. There are reproductions that are being sold but the quality is poor. Perhaps you need to add a 301 to your collection. The 301 controller will also work on the 221.
The 301 controller that comes with machines sold in a carrying case will work. Many of the 301's sold in a cabinet have a 2-prong controller cable that plugs into the bottom connector on the machine. A separate cord with the Singer Bakelite plug powers the machine separately. That setup will not work on a FW.