Looking northwest. Poros wall after removal, later wall between Rooms 1-2 ... Scanned 2005 for the 75th anniversary exhibition and publication. 1961 Horizontal (normal) ... 9 May 1949
Building A ... ΠΠ-10 1960, 1961 Section ΠΠ 376 Section ΠΠ 377 ... 9 May 1949
Notebook/Coins ... RS Young ... 1801 1999 ... 1949