Cistern (81/M-87/ΛΕ) in section ΛΛ ... John Travlos ... XIII-7 XIII-7 Dirty Cartridge Paper Drafting Ink ... 1937
Plan and section of the cistern at 81/Μ ... PD 142 AMS 116 ... 1937
Mixed ... D. Burr ... 1 191 ... 1937
