I hope you've brought that one home! It really is very neat - and an unsual Singer to have (at least in the US). I do really love the cabinet with the top insert to cover the machine when "closed" instead of the flip open lid. Means it needs a much smaller area to use, since it's no bigger open than it is closed. I have one Singer cabinet like that, but it's not a treadle.
I have a treadle base similar, but the cabinet had the typical flip open lid.