ウエスタン・スターズ (通常盤) (特典なし) ray fluorescent lights are arranged in an ultraviolet ray exposure machine (handmade) wooden box. Time measurement equipment, others.
Mixing pigments into emulsions used in classic photography ... To mix well, add a little liquid detergent ... mix well. Furthermore, since the pigment is less likely to be stained on the paper to be printed, there is an advantage that the development process can be shortened.