<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 Morse Push Button Duomatic, a round bobbin zig zag sewing machine with cams. I have been told that the model number on this machine is 4100. It has basic information, oiling and some troubleshooting information and the stitches from the decorative cams are illustrated.</b>