91/NΓ drain in Section ΠΘ ... Scanned 2005 for the 75th anniversary exhibition and publication. 1893 Horizontal (normal) ... 29 May 1936
91/NΓ drain in Section ΠΘ ... AMS 1893 Horizontal (normal) ... 29 May 1936
Inscribed fragment with dedication ... AMS Horizontal (normal) ... 29 May 1936
