I forgot to add that there is a pdf manual for the 66-18 at
http://ismacs.net/singer_sewing_mach...ine-manual.pdf which is more like your machine from 1947 and one from 1952 more like my machine at
http://www.singerco.com/uploads/down...32979cb4e0.pdf
Janey - Neat people never make the exciting discoveries I do.