You are looking at a vintage Union Special 39200ac overlock sewing machine. According to the manual this machine is used for seaming the lighter weights of flat knit, warp knit, and ribbed knit fabrics made from cotton, wool, rayon, and silk. This machine has a front tandem differential feed which when activated enables a ruffling effect as shown in the sewing example photos. This machine is the 1/8 stitch width version. Even though this machine was designed for knit fabrics, it easily sews though 6 layers of unsanforized denim as shown in the photos.
This machine has been cleaned and tuned and is in great cosmetic shape. The item "Union Special 39200 AC Vintage Industrial Sewing Machine w Differential Feed" is in sale since Monday, October 29, 2018. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Textile & Apparel Equipment\Sewing Machines". The seller is "gragramitc" and is located in Alpharetta, Georgia.
This item can be shipped to United States.