Northwest trench ... Scanned 2005 for the 75th anniversary exhibition and publication. 133 Horizontal (normal) ... 23 Feb 1932
Lamp ... Δ-1 133, 134 L 381 Lot Δ 35 Section Δ 62 Section Δ 63 Section Δ 64 Section Δ 65 L 381 ... 23 Feb 1932