F&E 10023/48 Pt.1A - Aviation: Blueprints accompanying the Completion report on the organisation of Karachi-Aden Air Route: Drawing No.EM115 Mounting Arrangement of Cochran Patent Boiler No.7758. Scale 3/4'' = One Foot
F&E 10023/48 Pt.1A - Aviation: Blueprints accompanying the Completion report on the organisation of Karachi-Aden Air Route: Drawing No.EM116 Vertical Cochran Boiler showing details of Oil Firing Arrangement