The helmet is an actual Russian diving helmet. I have the complete suit and it is usable. I've been working on it for the last year. Cant wait to use it this summer.
that's dedication to the vacuum hobby...I salute you, Sir! Maybe in my twilight yrs I can surround myself with old friends like that. It won't be just vacuums, but they will represent well.;-)
My ZC90 was an English made machine but they made that model, with slight variations, in most of the European Electrolux factories. Its was made from 1965-1968.