English Translation

19. the positive images as well as the photocopies after development must be rinsed briefly with water and must be submerged quickly in the fixation bath, in order to avoid staining; 20. old, already yellow coloured fixation bathroom slowly and only insufficiently fixed and therefore to be renewed more often; 21. Negative, but above all small film negatives have to be dried completely dust-free and that during enlargement strict care must be taken to ensure that no dust particles reach the film; 22. in all photographic works the most embarrassing cleanliness is the first commandment. 12