I had one for over 30 years. Unfortunately, it was a casualty of my last long distance move. Manuals and cams are available on ebay. If it has been sitting for a while, it may have locked up and will not sew in reverse and some of the knobs may no move. Be sure to try it out before buying. Also, you might want to check for someone who can service it locally. I loved that machine.
That is the bobbin winder. One of the things I liked about the machine was that you could wind the bobbin from the threaded needle. These machines are offered frequently on ebay and usually sell for higher prices. I check them out periodically because I would like another one. I still have all my cams, feet, and bobbins -- just in case I find the right one.