Fig. 3From: Facilitating the conservation treatment of Eva Hesse’s Addendum through practice-based research, including a comparative evaluation of novel cleaning systemsDetails of the sculpture showing the presence of glossy, discoloured areas on top of the ropes (a and b, in normal light), which present a distinctive fluorescence compared to the rest of the sculpture (c and d, in ultraviolet light). Photo Tate 2017, © The estate of Eva Hesse, courtesy Hauser & Wirth, ZürichBack to article page