Fig. 7
From: Revising the eclipse prediction scheme in the Antikythera mechanism

Schemes for the Index Letter Groups. In the second row in each table, text in red refers to index letters observed in the glyphs; text in blue to index letters that have not been observed. a The original scheme from Freeth (2014). b The proposed Index Letter Scheme from Anastasiou et al. (2016). c The revised scheme proposed in this publication. This figure is covered by the Creative Commons Attribution 4.0 International License. Reproduced with permission of Tony Freeth; copyright ©2013-18 Tony Freeth, all rights reserved