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