Originally Posted by
solstice3
I just got a 1908 with the long bobbin and found a manual free to download on line. I want to think the model is a 27 or 28 and I think there is a K involved. If you can't find it, pm me and I will be glad to research it again or send you a copy.
This isn't a Singer machine. It's a Domestic which later became part of White. There are a few differences between this and the 27 or 28. I have both of those machines as well. I would assume winding the bobbin is probably the same, but I don't know about threading it.