The first (interior) color coding of the world | Das Gelsenkirchener Farbleitsystem.
Alfred Fischer, architect & Max Burchartz, interior design, 1927. Treppenhaus Hans-Sachs-Haus, Gelsenkirchen – Ruhr Region, Germany, Anton Stankowski did support the works, being a student at the HSH School. Last photo on the right shows the reconstruction of the color coding system nowadays. Contemporary photo stairways © Deimel + Wittmar