Thread: Confused about bobbins
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Old 10-15-2015, 07:02 AM
  #3  
Manalto
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Join Date: Feb 2012
Posts: 673
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L-R: 15, 66 (if the top has a slight convex curve, it's hard to tell from the photo; if not, see *), 301

Singer 503 takes a 66

*What do you call the bobbins for the 306/319?
Last edited by Manalto; 10-15-2015 at 07:05 AM.
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