Tornax Fahrzeug- und Apparatebau GmbH was a German manufacturer based in Wuppertal-Langerfeld, known primarily for producing motorcycles from 1925 onward. At one point, the company expanded into car manufacturing with a small sports car called the Rex. This model made use of the complete front end, engine, and drive system from the 700cc DKW, and it featured a central tubular frame along with independent suspension on all four wheels. The…