Rectangular water basin ... south 747 Horizontal (normal) ... 13 Jun 1938 ... Ψ
Rectangular water basin ... north 748 Horizontal (normal) ... 13 Jun 1938 ... Ψ
Rectangular water basin ... AMS south 747 ... 13 Jun 1938 ... Ψ
Rectangular water basin ... AMS north 748 ... 13 Jun 1938 ... Ψ