I am so sorry about your losses. I can't imagine losing everything. My husband and I are 82 years old and we have so many items we have collected through our years of travel plus all of the wonderful family pictures. For years I used 3-in-one oil on my mechanical sewing machines but now I use sewing machine oil on my electronic machines. I think the main thing is to keep the machines cleaned and lubricated. May you be able to find everything you really want.