for simplicity sake
[ATTACH=CONFIG]388510[/ATTACH]
and here is the info from ISMACS on the 71-12
"Flat bed. Link take-up. Horizontal rotating hook. Knee lifter. Speed 2500. Two needles; two hooks. Drop feed. For general work.Singer suggested replacement 119W5"
here is the artical about the 72w-19 which appears to be that machine.
http://www.ismacs.net/singer_sewing_...ny/p72-19.html