Old 03-23-2019, 04:08 PM
  #4  
OurWorkbench
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Location: Denver, CO
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Originally Posted by JJBlaine View Post
Not sure if this applies to your machine, but I found that with my 99K, I had to track down original vintage bobbins. The new size 15's I bought did not fit on the winder at all, and caused all kinds of issues with the stitches. Once I found the vintage bobbins, she sews like a dream!
The 66, 66K, 99 and 99K machines take a class 66 bobbins.

Janey - Neat people never make the exciting discoveries I do.
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