Poros drain of the Tholos as found ... west Horizontal (normal) ... 23 February 1938
From southeast. Layer VI gone ... Scanned 2005 for the 75th anniversary exhibition and publication. 2164 Horizontal (normal) ... 25 Feb 1938
Poros drain of the Tholos as found ... AMS west ... 23 February 1938
From southeast. Layer VI gone ... AMS 2164 Horizontal (normal) ... 25 Feb 1938
