Stroses near Wall in 11-12/ΙΗ-ΚΓ. Find A 61 ... AMS 431 Horizontal (normal) ... 15 Jul 1931
Stroses near Wall in 11-12/ΙΗ-ΚΓ. Find A 66 ... AMS 432 Horizontal (normal) ... 15 Jul 1931