Authorized reproduction of the users / instruction manual for a White model 510, a round bobbin, free arm / flat bed, zig zag sewing machine. It has basic information, cleaning and oiling and some troubleshooting information. A few standard, basic attachments are illustrated along with usage information and the decorative and utility stitches are illustrated. Our reproduction of this item is duplex laser printed in grayscale. The pages are coil bound so it will lay flat when opened and it has protective plastic covers.