Fig. 1
From: Review and interlaboratory comparison of the Oddy test methodology
Photos/illustrations of the various designs used for the Oddy test: First 3-in-1 version of the test (a). Reprinted with permission from Ref. [8]. Copyright (1999) Taylor & Francis Ltd, http://www.tandfonline.com. Current set-up of the British Museum (b). Reprinted with permission from Ref. [14]. Copyright (2018) Taylor & Francis Ltd, http://www.tandfonline.com. Current set-up of the Metropolitan Museum of Art (c). Reprinted with permission from Alayna Bone, Department of Scientific Research, The Metropolitan Museum of Art, https://www.conservation-wiki.com/wiki/Oddy_Test. MAT-CH set-up (d). Reprinted with permission from Ref. [12]. Copyright (2018) Taylor & Francis Ltd, http://www.tandfonline.com.