Notes for the Lancaster Aircraft, AVRO Type '683' Mk. 1. & III. Published by A.V. Roe & Co. Ltd, Manchester, March 1944. Card cover, 15 x 22 cms. Approx. 76p plus around 11 pullout diagrams plus charts at the back (instrument panel, controls, hydraulics, fuel system, turret hydraulics, electrical & oxygen systems etc.) Each copy of this book has an individual reference number (6051). Covers fuel and oil systems; aeroplane controls; engine controls; handling; operating data; emergency procedures etc. A little dog-eared and has some loss to the cover (top edges - see photos) and separation of rear cover. Internal pages appear to be fine. Good used condition. Stock code P16801.