In the eventful 1930s, the Walther brand plays an important role in industrial transformation. The introduction of the first "Klein-Farbspritz-Anlage," consisting of a compressor, cup gun, and carrying case, as well as the first spray gun devices for simultaneously coating small parts with paints and colors in large quantities, marks decisive milestones in coating technology. The ability to handle various coating tasks with a single system not only make the products highly efficient but also extremely cost-effective.