Originally Posted by
ThayerRags
The Singer 115 takes different bobbins and bobbin case than any of the other Singer 15s, 66s, or 99s. The bobbin is #55623 (also used in the Singer 20U33 and some Riccar models) and bobbin case #541678 (also used on the Singer 20U33).
CD in Oklahoma
Cindy Peters has the bobbins needed for the Singer 115, that's where I got mine. My 1914 Singer 115 has the Tiffany decals, was a project machine, its finally sewing and complete.
Sharon in rainy Texas