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  • 1961 Singer 403A
  • Left the light on
  • Threading diagram
  • Cam access
  • Class 66 Bobbins

c.1959 Singer 401A

The machine sits on a plastic bottom. When I bought it, the nut to hold the bottom on was missing. I took the whole machine to my local hardware store where a nice young fellow helped me find one that would fit! Cost me $.04!