Hi! Did you know that there are three sites focussed on vintage and antique sewing machines at Groups.io? I’m really sorry but I’m not very technical so I’ve no idea how to send you a link to the Groups. One group is solely about Singers, another is solely for Husqvarna Vikings and the third is a mixed group. I am a member of all of them and I can truthfully say that the knowledge and advice from people in the Groups is exceptional. I expect other people on this forum already know of them. I would try asking there as well as on this forum. Someone here might know how to find the site far better then me!