From east. X=Disturbance behind Drain ... AMS 1387 Horizontal (normal) ... 4 Apr 1935
AMS 754 Horizontal (normal) ... 4 Apr 1935
AMS 770 Horizontal (normal) ... 5 Apr 1935
From east. X=Disturbance behind Drain ... Scanned 2005 for the 75th anniversary exhibition and publication. 1387 Horizontal (normal) ... 4 Apr 1935