Two joining views of Section ΔΔ, looking south from the roof of House 639/17 in Section Φ. Houses 642/1 and 642/2 still stand ... AMS south 37 Horizontal (normal) ... 25 Feb 1939
View of Section ΔΔ, looking south from the roof of House 639/17 in Section Φ. Houses 642/1 and 642/2 still stand. Image joins negative Section ΔΔ 1 to the left ... AMS south 37 Horizontal (normal) ... 25 Feb 1939