This is how a bobbin works
Jan 23rd, 2008 by Jason
I have always wondered how a bobbin works when I was young. And when I’m getting older, this bobbin has gone totally out of my mind. But after I have stumbled upon Material Mama, this thing has shred some light on.
Just look at the graphic, that is really amazing. Whoever invented it at that time is really genius. This machine work with the perfect timing. The connection is really perfect.
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