miz Johnny, That looks like my shuttle but I still don't know how to thread it. I learned to sew on a new home shuttle but the bobbin loaded from the top into the cylinder and was fairly quick and easy to thread. But this one puzzles me. I have had this machine tucked away for thirty-five years and got interested in getting it to work from this thread.
I certainly appreciate knowing more about it. Thanks for what information you have given me already.