Sewing machines based on the Singer 15 design are often referred to as "standard domestic", in particular their bobbins and needles. They were first introduced in 1895 with Singer model 15 and so are also known as "class 15", remaining unchanged to this day. Well, almost. :-) The bobbins remain indeed unchanged but the bobbin…
2 Pcs Bobbin Case #125291 for Singer 15-88, 15K88
CKPSMS Brand -Bobbin Case #125291& BOBBINS Fit for
The not so standard “standard domestic” bobbin case of Singer 15
Singer Bobbin Case
Bobbin Case #125291 For Singer 15-88, 15K88, 15-90, 15-91 Sewing
SET of BOBBIN CASES. Fit for Consew Sewing Machine Models: 30 Fit for :SINGER: 31 class, 31-15, 31-16, 31-18, 31-19, 31-20, 31-22, 31-24, 31-27,
CKPSMS Brand - Bobbin Case fit for Singer 31-15, 331K Sewing Machine #62740# BC-31-15 (2 PCS)
CKPSMS Brand -Bobbin Case #125291& BOBBINS
Singer Bobbin Holder (Metal) 416153401 - 1000's of Parts - Pocono
Bobbin Case #125291 For Singer 15-88, 15K88, 15-90, 15-91 Sewing
15-91 Bobbins and Bobbin Cases — Code Cat Corner