Originally Posted by
iab
It also was a knock-off of a system made by Palladini. Ad from 1947. I believe another Italian firm and a French company or two had something similar.
Yep, Rene Herse used a hub called RAS in the 1946 Technical Trials, since points were awarded for not needing to touch the chain when changing a flat. I'm not sure if they developed it, or just used it.