A reader wrote:

I found an old set of lights that are made by g.e. Arbolux. I think it has 17 lights that have there own braided line, it has a g.e. Chrome Transformer with Cat. no. 248291 on it with 3 different voltages. I can't find any info about it. Do you know? Thnx

Our friend Fred Fox of NoelKat wrote:

That is quite an early Transformer set from ~1925. I don't really have much info on them other than the date and the fact that it is the highest valued of any of the Transformer sets ever made, mostly because of it's early production. I will ask around and see if I can dig up anything else.

Fred - NoelKat

I came across this 1922 ad