Layer VI ... AMS 976 Horizontal (normal) ... 30 May 1938 ... Layer VI.
Layer VI, cleaned ... AMS 1056 Horizontal (normal) ... 6 Jun 1938 ... Layer VI, cleaned.
Layer VI partly gone ... AMS 1781 Horizontal (normal) ... Layer VI partly gone.
From northwest: Layer VI gone ... AMS Horizontal (normal) ... From northwest: Layer VI gone.
From southeast. Layer VI gone ... Scanned 2005 for the 75th anniversary exhibition and publication. 2164 Horizontal (normal) ... 25 Feb 1938 ... From southeast. Layer VI gone.
North Wall. Layer VI outside ... AMS Horizontal (normal) ... North Wall. Layer VI outside.
Outside at north. Layer VI ... AMS Horizontal (normal) ... Outside at north. Layer VI.
