<P><b><center><font color=chocolate><font size=5>DOWNLOAD / PDF USER INSTRUCTION</center></font></font><P>Authorized reproduction of the users / instruction manual for a Singer Slant O Matic, model 401 and 401A, a round bobbin, automatic zig zag sewing machine with many of its basic attachments. The A after the model number tells us where that the machine was made. They are mechanically identical with or without the A. The manual has basic information and stitch diagrams for its built in zig zag as well as the built in and cam based decorative stitches. It also has cleaning and oiling information and some troubleshooting information.