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Old 03-08-2020, 01:08 PM
  #4  
juliasb
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Join Date: Jun 2010
Location: Waterford Michigan
Posts: 7,241
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The bobbins for the 66 are about rounded or raised over the top and bottom and just a wee bit smaller than the L bobbins. I recently had to buy more bobbins for my 66 and another Singer machine I have. They are available on Amazon.
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