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…
Class 15 bobbin case + 4 bobbins - Fits most Brother, Janome
Singer Class 15 Sewing Machine Bobbin Case Original Simanco 125291
The not so standard “standard domestic” bobbin case of Singer 15 – Vintage Sewing Machines
New Bobbin Case for Singer Class 15 Sewing Machine Part 125291 15
SINGER Spare Bobbin Case for Sewing Machines
Bobbin Case, Singer 15-88, 90, 91, 125, High Quality, Japanese made, 11 o'clock finger, Not for Japanese machines.
Class 15 Bobbin Case 11 o'clock 125291 - SINGER 15-90, 15-91 High Quality
Transverse shuttle with triple needles – in search of a better cover stitch – Vintage Sewing Machines
The Hengstenberg/Anker Wittler – a transverse vibrating shuttle – Vintage Sewing Machines
Transverse shuttle with triple needles – in search of a better cover stitch – Vintage Sewing Machines