Originally Posted by
kso
the pins are not round they are rectangular slots in a triangular bakelite housing. Where is the best place to buy parts? I searched ebay, my local machine repair shop and even contacted singer.com. No luck.
These are the normal plug for Scottish built machines (almost all of my pre-1960s electrified machines are fitted with these) and I imagine you'd be able to find them on any non-US site that supplies vintage Singer parts.