Layer VII ... AMS 977 Horizontal (normal) ... 30 May 1938 ... Layer VII.
Layer VII ... AMS 978 Horizontal (normal) ... 30 May 1938 ... Layer VII.
Outside at north, Layer VII ... AMS Horizontal (normal) ... Outside at north, Layer VII.
From northwest: Layer VII gone ... AMS Horizontal (normal) ... From northwest: Layer VII gone.
