BA15d
For example, various old and very old sewing machines with bayonet / swan socket BA15d
.For various machines and lamps with bayonet / swan socket BA15d
.For BERNINA 1004, PFAFF 1212, 1222, etc. , SINGER, SINGER-ZZ and others
.For example ELNA 1 and others with bayonet / swan socket BA15d
.