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…
Singer 206 306 319 Sewing Machine Bobbin Case Original Simanco
2 Pcs Bobbin Case #125291 for Singer 15-88, 15K88, 15
Eoehro 25 Pcs Bobbins for Sewing Machine, Sa156
Eoehro 25 Pcs Bobbins for Sewing Machine, Sa156
The not so standard “standard domestic” bobbin case of Singer 15
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)
Singer 206 306 319 Sewing Machine Bobbin Case Original Simanco
15-91 Bobbins and Bobbin Cases — Code Cat Corner
Bobbin Case - Singer Front Loading Class 15 #15277
The Hengstenberg/Anker Wittler – a transverse vibrating shuttle – Vintage Sewing Machines