Black and white photographic papers can be toned with chemical toners. In the college you have the  following available. Sepia. Copper. Blue. The main formula for each type is as follows: … PDF: Toning Fibre and Resin Based Papers   Speedisepia Good tones are obtained with  normally exposed and developed conventional paper prints. Some modern papers even those described as ‘fibre’ are liable to give variable results and ‘blotches’. It is recomended that prints are given full exposure, and development, an acid  stop, fixed in a simple non hardening fixer, and copiously washed. Work only under subdued lighting. … PDF: Speedisepia