I apologizie for the slighly messed up post, but I was trying to describe the history line of machine. Husqvarna made their first version of their model 12 CB (central bobbin) in 1903, with some improvements to Singers model 12. Among them was a revers stitch lever I think they added early on in its' development. By then several German models long since had been given. The later CB-N had yet some improvments with the take up lever and tensioner in the front. I have seen too few of these to know the details and I can't find anything extensive on the web, neither too accurate. Some have a lever on the bed for lowering the feed dogs. By the end of WWII development of sewing machines had a new focus, though the straight stitchers kept their popularity.
Husqvarnas first freearm zigzagger.
This is three years after Bernina introduced their 125. We can safely assume there is more than a resemblance between the models. I know Bernina made machines for several other brands in the immediate post war years. I think this model set a standard for several brands, and you can notice similar motor and belt system on several zigzaggers in the next few years. By 1953 the rotary hook zigzagger 19 were introduced, the same as on 20 and 21. I think Husqvarna kept up the straight stitcher Klasse 18 for a few years after Klasse 12 went out of production.
If I have it right, Japanese sewing machine production starts after WWII when Singer established a factory there. Model 15 were free to put in production since all patents had run out by then. Singer kept model 15 in prodcution in some form until around 1960. By then straight stitchers were mostly industrial.
At some point during the winter snowbound villages can still be found in Sweden, and 60 years ago probably more frequent, but I doubt that's the reason for lack of color and alternative finishes on the model 12.
