Browse All : Images by J.+C.+M%C3%BCller+AG%2C+Z%C3%BCrich and Heinz+Mueller%2C+Z%C3%BCrich and B%C3%A4rtsch%2C+Murer%2C+Ruckstuhl+AG%2C+Z%C3%BCrich and Roland+B%C3%A4rtsch%2C+Z%C3%BCrich and Bally+Schuhfabriken+AG and Roland+B%C3%A4rtsch%2C+Z%C3%BCrich from 1970s